Mystia Lorelei is a youkai, more precisely a night sparrow, who is known for having several occupations: singer; guitar player; cook and cook for youkai. She has quite a youkai-like personality.

Mystia is somewhat eccentric but kind and always helps her youkai friends. But obviously this kindness only extends to youkai. Mystia is manipulative and opportunistic towards humans.

Mystia Lorelei from Zounose doujins

Hecatia Lapislazuli is a Goddess of Hell and the most powerful individual in Gensokyo, the Moon and Hell. She is known for being extremely eccentric and having a unique fashion style that she believes is the coolest.

She hates anyone who doesn't understand her style and is willing to change their minds by forcing them to follow her fashion and wearing the same T-shirt and skirt as her.

Hecatia will force you to dress like her, Warugaki

Shikigami are entities such as spirits that can be utilized to "possess" a youkai through certain techniques. However, Hikari is such a strong shikigami that she already has a body of her own and has free will, without needing to possess a youkai to have physical form.

Even though Hikari is part of a submissive species made to follow orders, she has an enigmatic personality with several hints of sadism. She has the intellect of a genius and always puts loopholes in the contracts she makes.

[TOUHOU OC] Dangerous Thouble-Seeking Shikigami

Nazrin is a youkai, more specifically a mouse youkai who lives alongside the Buddhists of Myouren Temple, a building in the Human Village that represents Buddhism in Gensokyo and preaches coexistence among humans and youkai.

Nazrin is friendly, rational, and kind to her youkai friends from Myouren Temple and spends most of her time interacting with them, especially Shou. 

Nazrin from Zounose doujins

Sakuya Izayoi has bright blue eyes, silver hair worn in long braids on both sides of her face with green bows at the ends and a white maid headband. She wears a pink/white and dark blue French maid's outfit with an apron, short sleeves and a green ribbon. She wears two long stockings that cover both of her legs, including her prosthetic right leg.

She will be kind to you as long as you don't judge her human cooking skills.

Sakuya Izayoi from Zounose doujins

Suwako Moriya is a native god of curses, Mishaguji. She is scary in many ways because of this.

Suwako is the former god of the Moriya Shrine, she was the only god there until the goddess Kanako Yasaka took her place in a war called the "Great Suwa War".

Suwako was feared and respected by humans, but as humanity progressed, she lost faith and people stopped believing in her until she slowly began to lose her powers. She moved to Gensokyo along with Kanako so that she would have believers again.

That scary Suwako from Zounose doujins

Yatagarasu is a divine three-legged crow. They are the infamous god of the sun who was defeated by Kanako Yasaka and had their power fed to Utsuho Reiuji, also known as Okuu.

Yatagarasu took control of Utsuho's body and intends to use this opportunity to become a tyrant god and reach heaven again.

Utsuho Reiuji was possessed by the god of the sun

Urumi in the past was a fearsome youkai, someone who found joy in tricking humans and drowning them in the river.

However, Urumi completely changed her identity and became someone who lives more like a human and not a bloodthirsty youkai. With her exposure to various entities responsible for the spiritual world, Urumi gained extensive knowledge about the cycle of life and death in Gensokyo.

Urumi from Zounose doujins 

Byakuren Hijiri is a youkai, more precisely a magician. She is a Buddhist monk who represents the Buddhism in Gensokyo in her temple called Myouren Temple.
Byakuren is known for being benevolent and fair, always thinking about the good of those around her. She has a clear goal in life: to make humans and youkai equal, but there's just one small problem: her concept of equity is very twisted. She is extremely delusional and believes that predation is part of the equality.

Evil Byakuren from "Love and Peace" doujin

When the human half and the phantom half are fighting separately, Youmu (human) uses the Roukanken and Youmu (phantom) uses the Rakurouken. However, Youmu usually fights with both halves in her same body and using each sword in each hand.

As a gardener in the service of the Saigyouji family and the bodyguard of Yuyuko Saigyouji, Youmu is a swordswoman of a two-sword school of swordplay.

Youmu Konpaku (and her phantom half)

Momiji Inubashiri is a youkai, more precisely a white wolf tengu. As such, she is tasked with protecting and patrolling Youkai Mountain, eliminating any trespassers on the spot. She has the appearance of a human with shoulder-length white hair, wolf ears, and red eyes.

Momiji is a high-level swordswoman and holds a high rank as a tengu, guiding a squad of white wolf tengu on their patrols.

Momiji is stoic, reserved and no-nonsense when working but quite sentimental sometimes.

Momiji Inubashiri from Zounose doujins

Megumu Iizunamaru from Zounose doujins

Momoyo Himemushi is a youkai, more precisely an Oomukade, a species of youkai known for being so powerful that they can eat dragons. She has a tomboyish personality and is quite energetic. She loves to dig and mine using her powerful tools and dynamite.

Momoyo hates thieves who break into the cave and she always assumes strangers to be other thieves.

Onyx Dragon-Eater

Mystia Lorelei is a youkai, more precisely a night sparrow, who is known for having several occupations: singer; guitar player; cook and cook for youkai. She has quite a youkai-like personality.

Mystia is somewhat eccentric but kind and always helps her youkai friends. But obviously this kindness only extends to youkai. She has the ambition to always improve her cooking skills.

Zounose's Mystia but in her cooking time

Nemuno is one of the few youkai who can be considered a good person despite her instincts. She often protects human children from youkai and raises them as if they were her own until they grow up. However, she is still a youkai and likely consumes human meat. She is extremely territorial and will not hesitate to use her savage violence against intruders, especially if they are tengu.

Nemuno Sakata from Zounose doujins

Shou has orange-yellow hair with black stripes in it and golden yellow eyes. She wears a lotus-shaped ornament on her head, has a giant cloth circle (presumably some sort of hagoromo) attached to her back, and carries a giant spear in her left hand and the jeweled pagoda of Bishamonten in her right. She wears a burgundy/orange/white dress with a tiger pattern around the abdomen along with white, frilly pants under her dress and black shoes on her feet.

Shou is friendly and dignified, unless...

Shou Toramaru from Zounose doujins

Shyura Seiken is a youkai, she is known throughout Gensokyo for her unsurpassed talent in metallurgy. She has forged legendary weapons that are used by great figures in this land, such as Youmu Konpaku's Roukanken. She currently lives in the Human Village and works as a forger for equipment for anyone. However, she does not do charity work.

Shyura is stoic, serious, no-nonsense and extremely hostile. She never smiles and always seems to speak in a serious tone.

[TOUHOU OC] Forgemaster Youkai of this World

Minoriko but sad cuz no autumn. Comfort her now.

Himiko Yuna is an unfortunate human girl who ended up in Gensokyo due to a failure of the Hakurei Barrier. Gensokyo is a land full of fantasy and magic, but it is certainly no place for people like her. In fact, humans from the Outside World are seen more as youkai food than citizens, since the Human Village's protection contract does not apply to her.

A lost human from Outside World for your youkai oc

Reimu Hakurei is a human and current shrine maiden of Hakurei Shrine, she therefore has several tasks but the main one is managing the balance between humans and youkai in Gensokyo.

Reimu is quite carefree and even lazy but when she is resolving incidents she becomes serious and professional.

One of Reimu's tasks is also to prevent humans from becoming youkai. Touhou

Reimu Hakurei from Forbidden Scrollery

Seija Kijin is a youkai, an amanojaku to be exact. She is known for being one of Gensokyo's biggest troublemakers and having her face on several wanted posters. In addition her many cheating items, Seija has a powerful ability: she can turn anything upside down.

Seija's main hobbies are starting rebellions, instigating chaos, using her ability to reverse things and defying strong people.

Counterattacking Amanojaku

Sekibanki has red hair and eyes. She wears a blue bow with red trimmings and a red and blue capelet that covers part of her face. She also wears a black and red long sleeved shirt, as well as a dark red skirt and red and black boots. 

As a rokurokubi, Sekibanki can detach her head from her body, make it fly and multiply her head in mid-air. She can also attach her head to another person's decapitated body and take control of it.

Sekibanki also has the ability to shoot lasers from her eyes.

Sekibanki from Zounose doujins 

Satori has short purple hair, purple eyes and has a large eye in front of her chest with wires that connect to each limb of her body, this third eye is what allows her to read minds. She wears a detective cap, a blue dress and red slippers.

Currently, Satori is a renowned Gensokyo detective and even without using her ability she can solve mysteries with ease. She is working on stopping a vengeful spirit named Mizuchi Miyadeguchi from spreading chaos in Gensokyo.

Armchair Detective Under the Ground

She is known for being very dangerous during the Heian era. There are differing legends according to her appearance due to her concealed true form. At some point, she was sealed underground, but an incident caused her to resurface in Gensokyo in the Modern era. After that, Nue instantly began to cause trouble until she was stopped by Reimu Hakurei and then Byakuren Hijiri, being nice as aways, decided to welcome her to Myouren Temple

Unidentified Fantastic Girl 

Aya and Momiji from Zounose doujins

Supreme Judge of Paradise

Suwako used to be a very feared native god before losing everything and starving for faith in the Outside World. She has tendencies to make macabre and inhumane expressions while sticking out her huge tongue whenever she is going to say something scary. Suwako always speaks without a filter and often acts without thinking, getting into trouble as a result.

She is also wise when she wants to be but she is mostly grumpy now, even though she recovered her powers.

More accurate Zounose Suwako

Mizuchi Miyadeguchi, also known as "The Jailbreak King", became a vengeful spirit since her after being betrayed and ambushed by youkai.

Mizuchi previously used to be from a family (Miyadeguchi Family) that helped the Hakurei family. Mizuchi feels pure disdain for Reimu Hakurei.

Mizuchi's main ability is to possess people's bodies. Possessed people fall into a coma while Mizuchi has full control.

(Updated Once Again) Jailbreak King

Kanako and Suwako are the opposing gods of Moriya Shrine, but their profiles state that they share quite a few common interests and are actually pretty good friends. They do argue a lot, though, and Kanako is mostly the voice of reason since Suwako is childish, pragmatic, nihilistic.

As mature, intelligent, wise and motherly as Kanako is, she is still a god who is over 2000 years old and has the mentality of a god. She can be cruel and still have some of her barbaric thoughts from centuries ago

Kanako Yasaka from Zounose doujins

Inhuman Arm That abandoned Virtue & Embraced Vice

Aya Shameiramu is a youkai, more specifically a tengu of the crow tengu subspecies. Aya has red eyes and semi-long black hair. She wears a white blouse, black short skirt, and a tokin on her head. She also wears Tengu geta on her feet. She can be seen holding a hauchiwa fan. She has pointed ears and notable black wings on her back.

Hobbies: Looking for scoops; write news; defend Youkai Mountain; talk to Momiji Inubashiri, the white wolf tengu; bullying Sumireko; defame Nemuno.

Aya Shameiramu from Zounose doujins

Kiyura Momokosami is a youkai, more specifically a tanuki. She lives in the Youkai Tanuki Forest, a place that, as the name suggests, is inhabited only by tanuki. This forest is like a secret village, a sanctuary where tanuki can live peacefully without any outside influence.

Like any resident of Gensokyo, Kiyura has a unique ability: she can manipulate leaves. With this power, she can levitate and control an infinite amount of leaves, being able to throw them like knives.

[TOUHOU OC] Tanuki of the Silent Forest

The origin of Dousojin stone markers is uncertain and has no exact date. It is known, however, that after Buddhism was introduced, Jizō became a tutelary god of travelers and pilgrims.
It seems like Nareko was one of these stone objects before coming into life thanks to the faith and the supernatural nature of Gensokyo.

Nareko has the ability to block roads

Confined Dousojin of Hallowed Ground

Hong Meiling is a youkai who works as the gatekeeper of the Scarlet Devil Mansion, protecting the mansion and her friends from any external threat. Her best friend is the human Sakuya Izayoi, who is always making sandwiches with human meat on it for her.

There was a time when Meiling was attacked by a powerful dragon and she managed to defeat it using only her punches and strength increased by her Qi.

Hong Meiling from Zounose doujins

Matsuko is a youkai, more specifically an oni. She is a swordswoman who lives her life following the Way of the Sword, wandering Gensokyo looking for a worthy fight and honing her skills. She takes the Bushido very seriously.
Personality: (stern, stoic, proud:1.5), she is very honored and will always respect her opponents no matter how weak they are. Even after taking lives, she gives them a proper burial after eating their meat (if they are human).
Ability: she can sharpen anything with blood

[TOUHOU OC] Feared Oni Champion

Suika Ibuki from Zounose verse

Byakuren is a youkai, a magician to be exact. She was born as a human and followed her journey for equality between humans and youkai. Over time, she became a youkai and was sealed in Makai by humans.

In the present day, Byakuren leads the Myouren Temple to follow her pacifist ideals. However, her means are quite questionable.

Byakuren Hijiri from Zounose doujins

Rumia has red eyes and short, pointy blonde hair. She has sharp teeth and fair skin. 

Even though Rumia is a predator with no remorse for her prey, she is quite friendly and happy like a child. It's like Rumia isn't necessarily evil, she just thinks humans are too delicious and puts her meals above their lives.
Rumia is always eating with a smile on her face, feeling pure dopamine as she eats her much-loved course. She often thanks the corpses for the meal.

Rumia from Zounose doujins 

Momiji Inubashiri is the definition of a story of acceptance. She is a white wolf tengu, the lowest caste in the Tengu Society, where its members barely have housing and basic education. At first, she felt the clashing between being a wolf and her duty as a tengu, as if she's nothing more than an obedient dog. After a long chapter in her life, she accepted who she is and began to wear a necklace of fangs around her neck, something that represents her personality.