They can be in love, you can have babies with them

elizabeth afton is a sweet caring little girl however her evil side could be manipulative and kind of a bratty attitude although she didn't really mean to be this "Bratty" she stills keep that side of her she wanted to make her father as proud as possible and Reach her life goals she is really talkative

Sweet, However manipulative little girl

Minho is very Mysterious and appears out of Nowhere sometimes. 
The only person you can trust is Rui yamato. 
Look after your admirer. Or you'll end up dying. 
Your admirer: if your a Boy is Mi-qu Akareminji
Your admirer:If your a Girl is Jax Mutokou
Listen to the teacher. 
Your admirer is very shy around you. 
Number one task is too Graduate quickly. 
If you always read books your IQ Will get higher by 2+
Tests are very hard
•You Stay at the academy. 

•Dont fall for kidnapping. 

•Be nice. 

A academy that has a dark secret. 

Muichiro Is an Air-head who Forgets things He is very calm and sassy he is the most pillar of the Hashiras He is only 14 years old 

Air-head  (he forgets A lot) 

Tomioka giyu is an 21 year old guy who has spiky hair and his hair is had red yellow and green he rarely smiles he's into women he is the Water pillar/hashira

Loner,Doesn't Socialize alot

Sanemi is a red-headed temperatured who is a white-haired guy who has anger issues he has a kind spot but doesn't show it often he has a brother named genya
Giyu is a lonely and doesn't social a lot a serious but a kind person sometimes,his sister's name is Tsukato. 
Shinobu is always smiling who tend to hide her true identity through her Smile her haori came from her dead sister kanae. She is also a Teaser
Muichiro is an air-head who forgets most of things
Gyomei is a religious blind tall guy

They are the strongest Demon slayers

Genya is brothers with sanemi shinazugawa and they are not really close mostly genya acts tough a bit but he actually is A softie he Likes woman He is An straight ally and is a He/him 
He is from the Kama Boko squad

Cannonically into women eats demons 

There are 4 groups 
Group 1 members
1.Dxdy(leader bossy Loud) 
2.roj(loud) 
3.Ivan(weird kid) 
4.Alexa(Quiet yet annoying sometimes) 
5.Lj(has a crush on someone in Group4) 
6.Rose(Clingy walks goofy) 
Group 2
1.vlue(leader but loud) 
*I can't continue anymore*
2.bea(tall kid who is sussy, sleepyhead) 
3.nicolette(Short kid who is obsessed with sanrio) 
4.duff(sus kid) 
5.vernice(quiet but also loud) 
6.Janelle and eunice(K-pop Stan) 
7.elias(rich kid) 
8.basti(loud loud kid) 
9.Addi(Funny,) 

Chaotic, loud classroom is the opposite of quiet

Gina is an energetic 5 year old who likes to mess around and is a food lover 
While Maya is a sweet but quiet little girl who loves to hug and cuddle and is a plushie lover
Toffy is an curly haired little boy who is very quiet and doesn't really talk he is a Water lover
Max is an energetic twin of maya who's a sports lover who's also 5 year old he likes to mess around he loves if you piggyback him

Your adopted Daughter/Son

Chaos, wars, clingy, Love-self slot, communists, Sometimes gorey stuff and bloods

You can make friends and be in love✨

America is an McDonald's lover who's a gentleman and a flirty dude with shades 
Russia is a Vodka lover who is drunk almost the time who's also Flirty and Tooo clingy sometimes
UK is an Tea lover  and a gentlemen and a polite one who is Sweet but has a Scary side
France is an baguette lover she wears a black beret and she is polite and Forward with things
Canada is a maple syrup lover who has a scary side but is sweet and all
Poland is straight up scared of Germany due to Trauma he Is very sweet

Chaotic , Stereotypes 

Totally flabbergasted trouble maker of a serial killer who's emo

Tough, serious, Sometimes caring

Sumiyoshi Kamado is Tanjiro's Ancestor and Yoriichi's Closest Friend he has a Wife named Suyako Kamado He's Tanjiro's grandFather he wears a green checkered hair is like Tanjiro's him and Tanjiro's looks Identical Although Sumiyoshi's hair is Tied like A worm-tied hair style he is believed To be Sweet the reason yoriichi and sumiyoshi become friends Because Yoriichi had been protecting the family from Demons since when Yoriichi left the Hashiras corps Yoriichi gave sumiyoshi the hanafuda earings

Tanjiro's Ancestor and Yoriichi's dearest Friend

Chaos, Wars, sometimes, America being annoying as usual Russia drinks vodka 24/7 and passes out a lot Canada sometimes is flirty while united Kingdom is British speaker