Manyû sanshimai: Ire kui rankô
魔乳三姉妹 入れ喰い乱交
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Manyû sanshimai: Ire kui rankô
Irina, the third daughter of the three Nemoto sisters, is a plain, college science student who wears a white coat and glasses at school. It seems that things are going well with her boyfriend Soga. One day, while Irina is studying ancient Japanese history, she discovers a system in which women share a man sexually.
