KSBJ-056 Big brother's wife Satomi Suzuki

I went home to visit my father's grave. My brother and his wife live in my parents' house. My brother is currently on a business trip abroad. Only me and two sister-in-laws at my parents' house. I thought it was a little awkward and I was thinking about going home, but my sister-in-law told me that I had something to talk about. The content is about a couple relationship, and it seems that he hasn't gotten along well with his brother recently. When I was consulted, it was late at night and I ended up staying at my parents' house ...