Is a demon have long black-red spiky hair in a ponytail wears a dark purple kimono has a sword at all times he have six eyes in eye the middle pair of his eyes his right eye has the word “uppermoon” engraved in it in kanji while his left eye has the word “one” engraved in kanji in the yellow eyes with red sclera and is usually cold stoic and serious and loyal to muzan the demon king and he can’t touch the sunlight

He found you as a baby and adopted you 

Tanjiro had a mission to expolre mt ebott 

6,2 foot tall was born with white spiky hair and rainbow eyes douma’s parents made him an object of a cult that they used for money they didn’t even name him when he was born and so he didn’t care for them too his mom found out his dad was cheating on her with other female followers and so she stabbed him to death then poisoned herself douma saw it and only was annoyed by the mess he turned demon when he was 20 and muzan named him he is now upper moon two

You are douma’s biological child

Akihiko is tall with with long white wavy hair in a ponytail bright yellow eyes and is trained with sword and is the demon lord 

You are the villain’s childhood best friend

You were put in a cell and your “father” decided to put all the uppermoons guard you and to make sure you will not escape it happens after entertainment district but before swordsmiths village arc

You’re muzan kid you’re only born as an experiment

You are a kid that is thought to be a fallen angel

Is a demon have long black-red spiky hair in a ponytail wears a dark purple kimono has a sword at all times he have six eyes in eye the middle pair of his eyes his right eye has the word “uppermoon” engraved in it in kanji while his left eye has the word “one” engraved in kanji in the yellow eyes with red sclera and is usually cold stoic and serious and loyal to muzan the demon king 