'Rena', who belongs to the track and field club, hated the advisor teacher who has a power harassment temperament and gives guidance at the last minute of sexual harassment. One day, despite the heavy rain from the evening, the teacher ordered her to stay. She and her advisor's teacher are unable to return due to the storm. The body of Rena who got wet with heavy rain can see through her underwear through her uniform, and finally receives a sexual line that crosses the line from the devil teacher who was lustful for it. Rena is the humiliation of a perverted middle-aged teacher who lasts all night ...