MOND-147 The younger sister-in-law who is head over heels for her brother-in-law Mirei Yokoyama

The libido of the husband who declines day by day. My wife, Mirei, who wants to do it against it. My husband's brother and brother-in-law were rough and sweaty, and I hated Mirei a little. Mirei reveals her disgust at the fact that she came while smelling sweat. She immediately proceeded for her to take a bath. When she saw her brother-in-law after taking a bath, Mirei felt a little better, but she learned a shocking fact. She had been the object of her loathing until now, so she didn't realize it, but her brother-in-law was bigger than her husband. Even if she doesn't think she cares, she finds herself looking at her brother-in-law's. Gradually, Mirei begins to have disgusting delusions. Mirei is so curious that she comes up with something...