Other Title: 囚人ごっこ～7日間監獄実験の罠

Author: Yuyu fuga

Summary: Akari and her boyfriend Hiroshi take part in a part-time university experiment: "Happy couples of five years or more become jailors and prisoners. Just how will it change them mentally?". While all five couples started out well, they get swallowed up by the strange prison-like atmosphere. Under the pretext of punishment, the male jailors start sexually assaulting the female prisoners! What will ...

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