JUC-562 Meat urinal training ~There's a beautiful married woman in my bathroom~ Yu Kawakami

Yuu falls in love with Kazuo, the eldest son of the Oshima family, whose ancestors have been doctors for generations, and ends up marrying him. However, Kazuo is a man who doesn't feed the fish he catches, and as soon as they get married, he treats her very coldly. The only thing Yuu could do was cling to was her brother-in-law and her husband-in-law. She ends up having a relationship with her step-husband, asking for a place for her in the Oshima family, but... However, the relationship between the two is exposed.