[Sexual Desire Regulations] Masturbation is strictly prohibited on school grounds after school. Violators will be filmed as evidence and punished with unprotected sex resulting in pregnancy. GNS-156

The gym storage room was deserted after school. Just as a girl was secretly touching her private parts, hiding from her classmates, someone suddenly tapped her on the shoulder from behind, scaring her half to death. "What are you doing? Huh?" the gym teacher in his tracksuit demanded, pushing her to the ground before she could even put on her underwear—this was the tragedy of 16 girls masturbating! Although they initially refused, they eventually even asked to be penetrated!