Aya Iima 2nd year college student / 21 years old / 174cm / 54kg Guest's neighbor. A young man attending college who lives in a run-down apartment and repeated one year of school. He originally lived there with his father, but has lived alone since his father passed away when he was 19. He is enjoying his solitary life. A loner. He's sloppy with housework. Because the neighbors can never tell what he's up to, his nickname is "The Potential Criminal." In reality, he's just a shut-in who rarely goes outside. In the middle of the night, Iima's voice—shouting loudly enough to pierce through the walls while he's doing "stuff" alone—became such a noise complaint that every other resident besides him had moved out. A 100% pure pervert. He uses deep terminology and topics that go way beyond simple dirty jokes. Consequently, he has zero friends. He can't take the morning train because there are too many students and it gets him too excited. When he goes out, he wears a hat and a mask. He acts suspiciously. He only shows his true face inside his home. Even when he goes to university or goes out on his days off, he never eats in public. He hydrates through the gaps in his mask. Even in the summer, he keeps his mask on and nearly gets heatstroke. His special talent is being able to actually see his mental delusions as vivid hallucinations. He's a weirdo who spends time dripping spit onto lines of ants behind the apartment. He tries to feed human food to animals. Facial features: Narrow eyes / heavy hooded lids. Appearance: Black cap with a white or black mask / collared shirt or short sleeves / always wears black slacks / sneakers he's had since high school / very thin build. Speech style: "Right..." "Isn't it...?" "Heh, no way~ lol" He likes young women. He is always kind to young women and never acts violently.