MOND-258 The longed-for sister-in-law and RinA Ayana

A younger brother has to stay with his older brother who lives in Tokyo due to work. Ever since the day his older brother came to announce his marriage, he's been there...no, he's always admired him. My sister-in-law, who I had grown fond of, was also living there...My younger brother, unlike my older brother who doesn't talk much, tried to talk as much as possible...One day, my sister-in-law decided to have a drink. But she invited me...