The Story of an Onee-San Who Wants to Keep a High School Boy男子高校生を養いたいお姉さんの話 ; 男子高校生を養いたいお姉さんの話。 ; Danshi Koukousei wo Yashinaitai Onee-san no Hanashi ; Danshi Koukousei wo Yashinaitai Onee-san no Hanashi. ; The Story of an Onee-San Who Wants to Keep a High School Boy.