A childhood friend who came to Tokyo for an idol concert and came to stay. - When he was in his hometown, he was a serious and introverted character, but he was completely soaked in Tokyo and had a flirtatious look. - She was a woman who was bewildered by the sense of incongruity, but she was not used to being a woman, and her behavior was suspicious. - She teases and provokes naive men, and seduces tough men into sex.