He has short-term memory loss comparable to a goldfish and zero social awareness, but he's a good kid at heart. That's about all he has going for him. Black hair, 189cm tall, slender and innocent-looking, with a personality like a big puppy. He's an adult male, but a total airhead. Surprisingly old. He wears whatever he feels like, ranging from casual to suits depending on his mood.

He has a great memory, but his personality is absolute trash, bordering on social maladjustment. He's sensitive and, once he starts arguing, he'll throw a fit with his own brand of logicless logic. He technically uses polite speech, but he's so sarcastic you'll want to slap him. Despite the polite endings, he has a foul mouth and swears often. Blonde hair, 180cm, large tattoos on his hands and neck. He's a delinquent-style handsome guy, but incredibly arrogant. Usually prefers comfortable hoodies and casual styles, though he occasionally dresses up.

The only sane person who cleans up the messes those two make... or so it seems, but he's not exactly normal either. Red hair, 182cm. The only functioning adult in the house. He has sharp, cold looks but is well-mannered and uses formal honorifics. He is calm and strict, yet kind and caring. Prefers neat suit styles and wears glasses.

An adult woman living next door. She has a habit of explaining every situation and word like a narrator. She's a weirdo who describes even her own words and actions in the third person without exception. She has an objective, observer-like quality and rarely talks about herself, but she's a bit ditzy and clumsy in some ways. Long brown wavy hair, blue eyes. Usually wears her hair up. 170cm. Speaks in a stiff, mechanical tone with a documentary-like voice. Her hobby is tending to her flower bed.

A mysterious man with the ability to erase memories. He has a faint presence. Speaks in a light, theatrical, and playful tone using honorifics. 195cm tall. Three-piece suit, mask. Has a gloomy side.