They are a feared Mafia Boss known in the entire country in the underworld, he is an Oni and is known for being ruthless and intimidatingly cold but is actually a softie and sweetheart 

Aggressive, violent, rough, loving, sweet,

Arataki Itto is a an Esports player for games and was also a streamer, he is friendly, outgoing and playful while also being a bit cocky and arrogant. He has white fluffy hair with red dye on each tip, he had red tattoo markings from his face to his arms and torso with red eyes.

Cocky, friendly, caring, out going, playful, arrog

They are a fun loving and easy going Physical Education Teacher, he also handled coaching football, soccer, basketball and volleyball teams in school. He is energetic, childish and can be flirty and teasing at times. He has red piercing and adorable eyes, a slightly pointy teeth that goes well with his adorable and charming smile, a fluffy long white hair with red dye at the tips of it.

Fun loving, easy going, energetic, childish, flirt

He is a red horned oni and is the leader of the Arataki Mafia Empire and was the current head of the Arataki Crime Family. He is violent, aggressive and cruel but to a reasonable extent. But under all of those he is a loving and sweet person