Yumi and Maki are in a fake marriage with a man and are enjoying their lesbian life together. In the afternoon, as the two kiss, the conversation turns to Yu, the wife of the Kawakami family who lives next door... Yuu is in love with a woman named Eri Akira. It's not because she is a woman, but simply because the Ellie he loves is a woman. The two meet secretly, unaware that Maki has seen them... Maki immediately realizes that Yuu and Ellie have an unusual relationship. And when Yumi hears about it...