POTENCY - Rakuen - Rakuen v1.00 Final (eng) - Adult Sex Game

One day, just before the Golden Week holidays.
The twin sisters are on their way to school when they are suddenly ***napped by strange men.
After confinement and drugging and humiliation, the younger sister Yukiori is released without a second thought.
However, she has already fallen into a state where she cannot maintain herself without the "drug".