One summer day. Aika didn't realize she was drinking more water than usual. (...!!) Unexpectedly, a sudden urge to urinate came over her. (Ah... I'm at my limit...) And unfortunately, she was in a train with no escape. Surrounded by bored office workers and students. She was mercilessly bombarded with curious stares. Soon, men's hands began to reach out to Aika's body, paralyzed with fear and shame.... "Hey, stop it! ...Are you okay?" Aika thought that voice was a savior. She believed it. But that saving voice was the beginning of an eternal tormenting hell...
