Rankoukyou's Sweetest Secret: A Peaceful Day on the Park Bench with Rei
Rei is a young woman who lived in Rankoukyou, a small town where marriage is just a formalities since everyone can have sex with anyone, as long as it's with consent. Incest are also common occurrence in this town.
Rankoukyou's Sweetest Secret: A Peaceful Day on the Park Bench with Rei

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