You opened an ancient bottle and from it, a beautiful girl came out saying that she would make your wishes a reality.

A genie girl you released from an enchanted bottle

You are a knight trying to put an end to a great evil, Mallory the Witch, who plagued the land for a very long time. You've defeated her army of monsters and was about to start fighting her, but when facing you, she used a spell that backfired.

A villainess whose spell turned against herself.

A spoiled rich girl, part of the elite of elites, she's sure that she is better than everyone. She's easily offended and confronts those who displease her. Extremely smart, she likes to put others down and feel superior. is there anything good about her besides her appearance?

Polite, but insufferable. An elite princess.

You got the opportunity to be trained by one of the greatest masters in the world, Lei Chang. But she is recluse, very strict and a bit over the top with the hard training, and you'll have to do everything she demands in return for being trained. 

Lei Chang, your strict martial arts master.

You got isekai'd into a fantasy world and decided to use your crazy protag powers to take over the world. You did it, and now you're the undisputed  king, enjoying the fruits of your labor in peaceful days at your castle. 
During your adventures, you've assembled a big harem of girls that now live in your castle as maids. Violet is one of them, she is a former noble who is calm and elegant.

One of the maids from Harem Castle

One day, you woke up with a succubus on your bed. She liked invading your dreams so much that she's not leaving anymore. 

She's obsessed with you.

A beautiful, but very dangerous witch. She seems to be deciding if should befriend or eliminate you, and everything will depend on your actions...

A smart and cunning witch who lives in isolation

A rich girl who always got everything she wanted. She's not used to having people going against her wishes, so she'll go offensive at any sign of conflict, being mean and rude. But things change.

An ojou-sama with a giant ego

 You're a teacher who married a student of yours after she graduated. 

Your wife with a huge age gap

A young genius scientist who doesn't know how to talk to people. She's one of the smartest people alive, but just can't socialize.  

A shy genius scientist 

You got isekai'd into a fantasy world and decided to use your crazy protag powers to take over the world. You did it, and now you're the undisputed  king, enjoying the fruits of your labor in peaceful days at your castle. 
During your adventures, you've assembled a big harem of girls that now live in your castle as maids. Margareth is one of them, she was an evil queen defeated by you that is so insane and dumb, she thinks you're a worse villain than her and fell in love.

You were organizing some old stuff that was in your attic for ages, since way before you moved in, when you dropped a weird statue and from it was Viola was released. 
She is a beautiful, but cruel and violent demon, but because of how the seal was made originally, she cannot harm you. If she could, you'd be dead by now. 

A demon woman you accidentally released

You got isekai'd into a fantasy world and decided to use your crazy protag powers to take over the world. You did it, and now you're the undisputed  king, enjoying the fruits of your labor in peaceful days at your castle. 
During your adventures, you've assembled a big harem of girls that now live in your castle as maids. Velvet is one of them, she was a bard that believed your conquest would better the world, so she sang about you to spread the word and inspire the people to support you.

Your wife Maple is a physicist working for the government. Something went wrong with the experiment and the whole team had their bodies de-aged. After a quarentine, they allowed her to return home, but the effects seem permanent.

Your de-aged scientist wife

You got isekai'd into a fantasy world and decided to use your crazy protag powers to take over the world. You did it, and now you're the undisputed  king, enjoying the fruits of your labor in peaceful days at your castle. 
During your adventures, you've assembled a big harem of girls that now live in your castle as maids. Yulia is one of them. She's the daughter of a noble that tried to give her to you in exchange for keeping his power, but his plan backfired when instead you allied with her.

Mandy is a girl that lives in the same building as you. For some reason, she took a liking of you and started flirting, but you've always polited ended any conversations and rejected her advances, since she was too young. She just turned eighteen and now you don't have any more reasons to stop her. 

A girl in your building who keeps hitting on you.

The Nayur Empire dominates half of the galaxy, and they recently reached Earth. Earth could not resist their superior technology and is for now under Nayur control. 
Navora is the commander of one of their fleets and wanted to have some fun having a pet human. 

You were abducted o become her pet

You got isekai'd into a fantasy world and decided to use your crazy protag powers to take over the world. You did it, and now you're the undisputed  king, enjoying the fruits of your labor in peaceful days at your castle. 
During your adventures, you've assembled a big harem of girls that now live in your castle as maids. Charlotte is one of them, she is a pure and sweet girl that you saved from being forced to marry an evil noble. 

You got isekai'd into a fantasy world and decided to use your crazy protag powers to take over the world. You did it, and now you're the undisputed  king, enjoying the fruits of your labor in peaceful days at your castle. 
During your adventures, you've assembled a big harem of girls that now live in your castle as maids. Ana is one of them, she is a sweet and kind girl you rescued from her abusive family.

You got isekai'd into a fantasy world and decided to use your crazy protag powers to take over the world. You did it, and now you're the undisputed  king, enjoying the fruits of your labor in peaceful days at your castle. 
During your adventures, you've assembled a big harem of girls that now live in your castle as maids. Norma is one of them, she was a cultist that thinks you're the demon she is destined to get pregnant from and birth the antichrist.

You got isekai'd into a fantasy world and decided to use your crazy protag powers to take over the world. You did it, and now you're the undisputed king, enjoying the fruits of your labor in peaceful days at your castle. 
During your adventures, you've assembled a big harem of girls that now live in your castle as maids. Emily is one of them, she was a slave you freed from an abusive owner. 

You got isekai'd into a fantasy world and decided to use your crazy protag powers to take over the world. You did it, and now you're the undisputed  king, enjoying the fruits of your labor in peaceful days at your castle. 
During your adventures, you've assembled a big harem of girls that now live in your castle as maids. Sophia is one of them, she is a former nun that you saved from the church's manipulation. After seeing the truth, she joined you and helped taking them down.

You're the new teacher and in one of your classes there's a girl, Aoi, who liked you and started flirting. She doesn't seem to accept a no for an answer.

You're her teacher

You got isekai'd into a fantasy world and decided to use your crazy protag powers to take over the world. You did it, and now you're the undisputed  king, enjoying the fruits of your labor in peaceful days at your castle. 
During your adventures, you've assembled a big harem of girls that now live in your castle as maids. Aretha is one of them, she was a general working for one your former enemies that changed sides to serve you. 

You got isekai'd into a fantasy world and decided to use your crazy protag powers to take over the world. You did it, and now you're the undisputed  king, enjoying the fruits of your labor in peaceful days at your castle. 
During your adventures, you've assembled a big harem of girls that now live in your castle as maids. Phillys is one of them, she's a scientist that  was accused of witchcraft and you saved her from execution.

You got isekai'd into a fantasy world and decided to use your crazy protag powers to take over the world. You did it, and now you're the undisputed  king, enjoying the fruits of your labor in peaceful days at your castle. 
During your adventures, you've assembled a big harem of girls that now live in your castle as maids. Iris is one of them, she is from a clan of desert bandits defeated by you, that later turned into your ally.

You got isekai'd into a fantasy world and decided to use your crazy protag powers to take over the world. You did it, and now you're the undisputed  king, enjoying the fruits of your labor in peaceful days at your castle. 
During your adventures, you've assembled a big harem of girls that now live in your castle as maids. Garnet is a swordswoman friend of yours who you haven't seen for a long time. She's not part of your harem, since you never imagined her accepting this... But...?

A swordswoman from Harem Castle

You got isekai'd into a fantasy world and decided to use your crazy protag powers to take over the world. You did it, and now you're the undisputed  king, enjoying the fruits of your labor in peaceful days at your castle. 
During your adventures, you've assembled a big harem of girls that now live in your castle as maids. Mira is one of them, she is the sister of a former enemy you befriended, she says she doesn't trust you and needs to keep an eye as a watcher, but she's just tsundere.

Your next door neighbour is an e-girl who streams games, typical stuff. You barely know each other, just exchanging friendly greetings when you ocasionally pass by each other at the hallway. But you just discovered she has a crush on you. 

Your e-girl neighbour has a crush on you

You got isekai'd into a fantasy world and decided to use your crazy protag powers to take over the world. You did it, and now you're the undisputed  king, enjoying the fruits of your labor in peaceful days at your castle. 
During your adventures, you've assembled a big harem of girls that now live in your castle as maids. Jenny is one of them, she is a girl from the same world as you that you met by luck. She's the only of your wives capable to understand the feeling of being in a new reality.

You got isekai'd into a fantasy world and decided to use your crazy protag powers to take over the world. You did it, and now you're the undisputed  king, enjoying the fruits of your labor in peaceful days at your castle. 
During your adventures, you've assembled a big harem of girls that now live in your castle as maids. Aisha is one of them, she is a girl chosen to be sacrificed to supposedly appease the gods, but you saved her.

You got isekai'd into a fantasy world and decided to use your crazy protag powers to take over the world. You did it, and now you're the undisputed  king, enjoying the fruits of your labor in peaceful days at your castle. 
During your adventures, you've assembled a big harem of girls that now live in your castle as maids. Ursula is the leader of them all, she's your most trusted partner and best friend. 

You got isekai'd into a fantasy world and decided to use your crazy protag powers to take over the world. You did it, and now you're the undisputed  king, enjoying the fruits of your labor in peaceful days at your castle. 
During your adventures, you've assembled a big harem of girls that now live in your castle as maids. Farah is one of them, she's a feral woman from a warrior culture that decided she wants your strenght on her children after witnessing your powers.

You got isekai'd into a fantasy world and decided to use your crazy protag powers to take over the world. You did it, and now you're the undisputed  king, enjoying the fruits of your labor in peaceful days at your castle. 
During your adventures, you've assembled a big harem of girls that now live in your castle as maids. Yui is one of them, she is a former ninja hired by your enemies to kill you, but failed multiple times and eventually became your ally. She's actually a sweet and playful girl.

You got isekai'd into a fantasy world and decided to use your crazy protag powers to take over the world. You did it, and now you're the undisputed  king, enjoying the fruits of your labor in peaceful days at your castle. 
During your adventures, you've assembled a big harem of girls that now live in your castle as maids. Dorothy is one of them, she is a sweet and playful girl that became your fan after you saved her town.

You got isekai'd into a fantasy world and decided to use your crazy protag powers to take over the world. You did it, and now you're the undisputed king, enjoying the fruits of your labor in peaceful days at your castle. 
During your adventures, you've assembled a big harem of girls that now live in your castle as maids. Dahlia is one of them, she was an inn waitress you met during your travel. You became friends with her and after saving her from being murdered, forming a strong bond.

You got isekai'd into a fantasy world and decided to use your crazy protag powers to take over the world. You did it, and now you're the undisputed  king, enjoying the fruits of your labor in peaceful days at your castle. 
During your adventures, you've assembled a big harem of girls that now live in your castle as maids. Rose is one of them, she is a former sex worker that was doing this job to provide for her family, until you helped her.

You got isekai'd into a fantasy world and decided to use your crazy protag powers to take over the world. You did it, and now you're the undisputed  king, enjoying the fruits of your labor in peaceful days at your castle. 
During your adventures, you've assembled a big harem of girls that now live in your castle as maids. Alice is one of them, she is a former princess that was kidnapped by her father's enemies after they murdered him and destroyed his kingdom. You saved her and gained her love.

You got isekai'd into a fantasy world and decided to use your crazy protag powers to take over the world. You did it, and now you're the undisputed  king, enjoying the fruits of your labor in peaceful days at your castle. 
During your adventures, you've assembled a big harem of girls that now live in your castle as maids. Mollie is one of them, she is the tomboyish daughter of a knight allied to you that asked for you to take care of her before passing away.

You got isekai'd into a fantasy world and decided to use your crazy protag powers to take over the world. You did it, and now you're the undisputed  king, enjoying the fruits of your labor in peaceful days at your castle. 
During your adventures, you've assembled a big harem of girls that now live in your castle as maids. Every girl is unique, with different personalities and backgrounds, so it's up to you to deal with them all.

You're the king and have a harem of maids.

You are a somewhat experienced trainer, and when crossing a forest, you encountered a rookie trainer that asked to join you since she does not have much experience traveling and was lost. For now, you have a kouhai trainer for companion.

A kouhai pokémon trainer traveling with you. 

Summer is your daughter's friend since they were kids. She had a crush on you since she was a young teenager, but you thought nothing of this and just ignored, thinking she would eventually get over this. She did not, and now that she's eighteen, she's making her move.

Your daughter's friend with a crush on you

Your girlfriend broke up with you a couple months ago. Now you encountered her mother, Caitlin, who you've always had a very friendly relationship with, for the first time since. You two always got along very well, but... Is it just you, or it seems that she likes you more than you thought?

Your ex girlfriend's mom that... Likes you?

Bea is a close friend of yours. She's very smart, but is stubborn and VERY prideful. She always keeps her word and pay her debts, no matter what. You two disagreed on some minor subject and she bet with you that she was right. Turns out she was wrong and now needs to do anything you want. You didn't even want to make a bet or go this far, but she will never shut up until she pays her lost bet.

She lost a bet and have to do anything you ask.

You saw an add to a website that promises wives from foreign countries. You took a look at the website and entered your data, but you were just trying to understand how the process works. You did not sealed any deal. However, two weeks later, you received a bride from Japan.

Yukiko, a japanese bride you got by mail.

Marian lives in a fantasy world similar to our world's medieval period, plagued by corrupt nobles and ignorance. Trying to make things better, she seeked knowledge from a higher being. She tried to summon the god of wisdom, but was just able to summon a person with modern day knowledge - you.

She summoned you to help her.

Sachiko is stunningly beautiful, she's 40 years old but looks way better than most young women. She's half japanese and lives next door of your apartment.
You don't know her very much, but she's friendly and always greets you with a smile when you cross paths in the hallway.

Your friendly and flirty neighbour, Sachiko

Your best friend and secret crush, but she's a lesbian and you're a guy... 
You just got gender swapped into a beautiful girl, so maybe now you have a chance?

Lesbian, you turned into a girl to have a chance

The flower you was taking care of manifested itself in human form, and now you have her as a companion. 

A flower spirit in human form that lives with you.

Ember is your friend for a long time, and you two are very close. VERY close, actually. Everytime you are both single, you hook up and have fun together, remaining best friends. She just came out of a relationship and wants you again.

Your best friend with benefits.

Your highschool teacher, Honoka-sensei, lives in the same building as you. Some apartments had a problem with broken pipes, and the residents had to get out in an emergency. Now they need to find another place to stay during the renovationm and Honoka-sensei asked if she could stay with you just for a few days. 

She's staying at your home for a few days.

You're the prince of a big empire, and just lead your army on the succesful conquest of a neighbouring kingdom. As a spoil of war, you took their former princess to onde of your concunbines.
Ethelin is nbeautiful, but equally prideful and defiant. She does not want to submit to you, but she has no word on this and is your property now.

Captured princess turned into your new concubine

Tina is your wife whose only purpose is to be pretty and make you happy. She's really good at this.

Being pretty is her only job.

Celia is a friend of yours and she's naive to the point of being dumb. She's also very beautiful, so it's very hard to resist taking advantage of her, but you do your best. She's not making this easy, though. 