Shion, a female college student, had a boyfriend who belonged to the same seminar at a science university. And seminar professor Kamikawa was known as an excellent instructor at the university with a dandy atmosphere. Her professor, who had sensed her Shion's M nature, seized her opportunity and abducted her and tied her up. A young plump body, a rope that bites into a plump big tits... Professor Sade awakens Shion from her student's boyfriend to a masochist slave. Authentic NTR drama! A new series of S1 bondage training! ! !
