恋のお姉さんを今度養うことになりまして。 (Associated Names)

My first love was my cousin’s beautiful older sister, Aijou Chizuru. But because I moved away when I was in elementary school, I couldn’t confess and separated away. A few years later. Due to my parents’ job transfer, I was sent to my aunt’s house to live with Chizu-nee and her sister, Mai. But, when…