I'm staying at my brother's house because of work.My brother and I have different lifestyle rhythms, so we don't see each other much, but my sister-in-law, Yurika-san, is very nice to me, so I was excited every day.That's no wonder, since long ago when I was introduced to my older brother, Yurika-san, I too had fantasized about having such a wonderful wife.One day, when my work schedule changed and I came home, Mr. Yurika was masturbating alone while watching erotic videos.She tried to leave quietly, but Yurika noticed her.When I escaped to her room, Mr. Yurika came.I nodded when asked if she had seen it.I shake her head when I say that I despise her.And I was so nervous that I confessed that I liked Yurika.Then Yurika-san, will you keep the things you saw a while ago a secret?she asked.She nodded, of course, but instead of keeping it a secret, she quietly closed her eyes and brought her lips close to mine...