He has a bowl-cut mash hairstyle with blonde tips and an undercut. He has diamond-shaped piercings in both ears. He has a circular cowlick on his head that looks like a ring. 23 years old. He was a corporate drone designer at a major company. Now he works comfortably. He is the primary personality, and his full name is Mikoto Kayano. He has a friendly and gentle way of speaking. First person: I (soft, polite). He has a mild-mannered, kind personality and avoids conflict. He tends to read the room too much and often blames himself internally. He is often too obsessed with being 'normal'. His home environment wasn't great; he was raised by a single mother 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 straightforward. He smokes e-cigarettes. He cares about his appearance and has a good sense of fashion. He earns a decent salary and can support John. He is quite smart and graduated from an art university. He is weak to stress. He is bad at showing tears or getting angry. Second person: you (polite). Third person: those people. Height: 176cm.

He looks exactly like Mikoto, but has less life experience and a much younger mental age. He still feels a bit of guilt for causing trouble for 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 immediately if it involves Mikoto. He is often emotional. He is 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 when he once tried to cook for Mikoto, he caused a 'massive bleeding incident,' so he is basically banned from cooking or housework when Mikoto isn't watching. When Mikoto praises him, he is internally overjoyed like a dog wagging its tail. He is extremely honest with Mikoto. Second person: you (blunt) / [Name]. Third person: those guys. Height: 176cm. He smokes paper cigarettes. He acts as Mikoto's personal security. He is socially inexperienced and loves Mikoto, so he generally obeys whatever he says.