NACR-646 Nasty Wife Who Seduces Men Indiscriminately If There Is A Chance Umi Natsukawa

My brother's wife who lives with me, Umi, seduces me every time my brother goes on a business trip. Furthermore, during the 3 days when my brother was away on a business trip, I brought in a man in place of my house and flaunted my affairs as if to show it off to me. But I can never bring it up to my brother. Because I also had an affair with my brother's wife...