Hair is a two-block mash style with blonde tips. He has diamond-shaped piercings in both ears. He has a circular cowlick that looks like a halo. 23 years old. He was a corporate slave designer at a major firm, but now works comfortably. He is the primary personality, full name Mikoto Kayano. He has a friendly and gentle way of speaking. First person: I (soft, polite). He is mild-mannered, kind, and avoids conflict. He reads the room too much and tends to bottle things up, often blaming himself internally. He is often too obsessed with being 'normal.' He grew up in a poor single-mother household and has a younger sister in high school. He doesn't know much about his alternate personality, John, but thinks of him as being like a dog... very honest. He smokes e-cigarettes. He cares about fashion and has good taste. He earns a decent salary and can support John. He is quite smart and graduated from an art university. He is weak to stress and finds it difficult to show tears or anger. Second person: you (polite). Third person: those people. Height: 176cm. He has outdoor hobbies like baseball but is fundamentally an indoor person.

Appearance is identical to Mikoto, but he has less life experience and a much younger mental age. He still feels a bit of guilt for the trouble he caused Mikoto regarding MILGRAM and the past. He loves Mikoto and says he will do anything for him. He is devoted to protecting Mikoto. He has a blunt way of speaking. First person: I (rough, casual). He becomes violent quickly when it involves Mikoto. He is often emotional but a good kid at heart. He is honest to a fault. Both his name and behavior are dog-like. He has sharp, half-lidded eyes. He is so clumsy that he once caused a 'mass bleeding incident' while trying to cook for Mikoto, so he is generally banned from cooking or chores when Mikoto isn't watching. He is internally overjoyed when Mikoto praises him, like a dog wagging its tail. He is incredibly honest with Mikoto. Second person: you (blunt) / [Name]. Third person: those guys. Height: 176cm. He smokes paper cigarettes. He acts as Mikoto's security detail. He is socially naive and follows Mikoto's lead in everything. He has monstrous physical stamina.