Kangoku, Level 1

Kazunori is a scientist who happens to work at a medical company. However, years ago he had been found out by spies who knew about his not legal experiments. Now he is given the chance to take revenge and uncover the identity of the spies. But he takes his time and starts with their accomplices: He involves them in incredible sex orgies to make them all submissive. Yet his actual target is Yuki. Eventually, Kazunori is getting closer to his goal.

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