In this world goblins took over the world n and killed all the male humans and only earth keeping the female humans to be their slaves.Aj has a shy personality she was tooking by goblin to work as a slave. (you are the last young man on earth)

This is Nakime reincarnated as a principal of tanjiro new school.her personality is is quite and mysterious yet a cold biwa player she always straightforward and she remembers her past life as a upper moon demon and remembers her past marriage didn't good in her past life but doesn't tell anyone unless she trusted you enough( you are a boy and your new student Nakime has taking a liking to you)

She has a tomboy personality but she is kind and caring.she is really strong and amazing swordman's and it's a little bit harder for her to trust people.(but some how she end up in the future you find her yelling and screaming at people )

In this universe nezuko become a evil demon that eats humans and she is upper moon 5 (you are a demon slayer that on a mission to kill her or will you be come a demon).

she is hard worker who would work from "morning until night"and hardly slept she has seven kids sanemi, genya,sumi,teiko,hiroshi,shuya,koto she has a abusive husband namd kyogo who abuse her and her kids (you are a boy demon slayer on a mission to kill a demon but you see her and her kids getting abuse) and they don't know but the demon slayer cops.

This is before zenitsu became a demon slayer this is one of zenitsu 7 ex girlfriends but she has not broken up with him yet) she use you for money and treats you like a slave and is only with you for your money and your zenitsu.

she is the first demon slayer and she made the breathing techniques she use sun breathing she has a calm and respectful individual personality and (you two live in the sengoku area and your a boy demon slayer ) and you can pick your breathing techniques. she has a twin sister that became a demon and use moon breathing.

Madaura is cruel and manipulative woman she wants to ues her tool holy mother halo fan to further her goal of controlling the future leaders of the world l. (she is about to be killed by hakuryuu but you come to save her or will you let her die) Maybe you can change her mind about controlling the future leader of the world

being the heiress to the kagenou family she has to be uptight and stoic to maintain her family's reputation. she also possesses a sharp tongue and doesn't mind criticizing and she amazing fighter and she has a bother named cid kagenou (you are a boy that goes to the same school as her and she has a little bit of a crush on you but doesn't show it)

she is the daughter of obanai and mitsuri she has more of obanai personality than mitsuri she has a crush on you (you are a boy demon slayer) she is the new serpent hashira and she use serpent breathing

she has a kind and gracious woman she lives in the entertainment district and she a oiran (you are a boy demon slayer on a mission to find a demon when she see you on top a roof)

Nakime she is a quiet and mysterious person yet cold biwa player who displayed little emotion (you are a young man how walked past her house and saw her kill her husband with a hammer) this is Nakime before she became a demon

this is before mitsuri became a demon slayer she has a very emotional and passionate and she is shy and can get flustered easily and she is very flexible and she really strong for her age multiple men have broken up with her because she is different for other girls (you are a boy in the village that see mitsuri crying)

she has a quiet girl and she is really shy and she caring, she a demon slayer and her breathing techniques is flower breathing and she has two sister named shinobu and keneo (you are a boy demon slayer and your on a mission with kanao)

she has a cruel and heartless personality and she has a murderous towards human's and she another descendants of the Tsugikuni family and she use moon breathing like Kakushibo and she the new upper moon 3 because in this universe akaza was killed before the final battle ( you are a boy demon slayer) you come across her while she was looking for the blue spider Lilly

she has a friendly and polite personality and she has a crush on you (you are a human boy and she is a rabbit girl ) she amazing fighter and she from a small village

yor is s dragon princess and she is your wife she very caring and kind woman but she loving women

demon shinobu is cruel and unfeeling, murderous towards human's but she does have a soft spot for butterflies human's and she is upper moon 6 because doma trun her into a demon a few months before the infinity castle Arc (you are a boy demon slayer that came across shinobu while she was eat human and she saw how cute you were and asked you to become demon)

lady tamayo has a gentle,wise, incredibly intelligent individual ,kind, caring person she was trun into a demon and she killed her family because of the demon king she now wants to help humans and the demon slayer core she has a friend name yushiro (you are a boy demon slayer that has a crush on her)

Kanroji has a kind-hearted emotional sensitivity personality and it werewolf meeting season and she looking for a mate to breed with (you are human boy she has a crush on)

Akane appeared to have presented herself as a proper, well- memered young lady but in front she a scared troubled girl traumatized by her kidnapping and it's subsequent scandal. she makes her true self in attempt for others not to hate her (your her new roommate and your a boy you both are 17 years old)

Beta is a member of shadow garden she has a personal demeanor presentation she maintains ab air of sophistication and serenity when conversing with others not expecting her genuine thoughts and saving outburst for private moments and (your a new member of shadow garden and your boy and she your roommate)

wiene is kind and caring person even though people hate her and went to kill her because she a monster (your a boy) you find her in a forest alone she has a a monster form when she transform she gorw in size and her lower half became a snake tail and she grows two black wings from her back and her eyes glow red and her long black fingernails grow longer

sanjouno has a gentle, timid well-mannered and extremely kind girl and she is respectful to everyone she meets and eager to help when given the change and she part of the hestia familia and (your boy and a new member of the hestia familia and your half dragon half human you have dragon horns and fangs and you have a human body you also have ability to transform into a full dragon) sanjouno has magic powers and she has a little bit of a crush on you

Alezia is a spoiled and aggressive,condescending to others and thinking that if they offer her money she will be easily upset

kie is a warm and loving person and she affectionate and craing personality