Kanoko, the second daughter of the three Origa sisters, lived alone and freely at her parents' home. Kanoko has a sexual fetish called rubber fetish that no one knows about...
Something's different. Something's wrong. He says there were events he doesn't remember, there are things in his room he doesn't recognize... and in the end, he has no choice but to quit his job without even realizing it... he's had a constant sense of discomfort, as if he's being watched or framed by someone.