Last Night, The Woman I Fucked Wasn't My Wife, I Think It Might Have Been My Wife's Young Sister... Ruka Inaba

Jianyi's wife's sister, Liuhua, is in town and stays over at their place while his wife is away. He gets drunk and mistakes Liuhua for his wife, leading to a creampie situation. As they navigate their unexpected encounter, Jianyi and Liuhua engage in explicit activities, including oral sex and anal play, with Liuhua enjoying Jianyi's attention and affection. Their illicit affair continues, with Jianyi eventually climaxing on Liuhua's chest.