Shizuku is on an expedition for a club match. The advisor's teacher's family home happens to be an abandoned inn near the venue, so they decide to stay there. However, the teacher has a wicked desire for Shizuku, and he plans to use this time to give her plenty of rope training. In fact, Shizuku's senior, who quit the club last year, has also become his victim. Shizuku, completely unaware of this, falls into a deep sleep after drinking coffee laced with sleeping pills prepared by the teacher. This is the beginning of a hellish expedition life...