Tamotsu

Nicknamed "Mokkun" by Pico, he's a young man who sexualizes Pico. Tamotsu is a white collar worker and regular of BeBe. He seduces Pico mistaking him for a young girl, but continues the relationship after realizing Pico's true gender. He later buys Pico a girl's outfit, complete with collar and panties, which he makes Pico wear despite protests. He mostly views Pico solely as a sexual object, though later shows true concern for Pico after he disappears. Although he eventually reconciles his relationship with Pico, he is absent in the second OVA. In his relationship with Pico, he is the seme. (Source: Wikipedia)