Moral Hazard / Danger to morality

One day, when the main heroine of the hentai was returning home from school, a strange middle-aged man began to follow her. Trying to escape from him, the girl turns into a nearby park, but she does not manage to run far. There her pursuer catches up with her and begins to rape her. Another man, hearing cries for help, goes to save the girl. He quickly finds and punishes the pervert, but seeing the naked and sexy body of the young girl, the man becomes greatly aroused and attacks her himself. Now no one hears her cries for help... The girl tries to resist, but everything is futile...