A Wish of My Sister(お姉ちゃんのお願いOnee-chan no Onegai) is a erotic one-shot Japanese manga written and illustrated by Masahiro Itosugi about a series of short stories, where the relationships of Keisuke, his sister and his classmate take up four of the total eight chapters. The manga is serialised in Icarus Publishing's magazine Digital Comic AG, from issue 56 in March 2007 to issue 65 in August 2007. Akaneshinsha released the manga in Japan on June 24, 2006. The manga is licensed and licensed in North America by Icarus Publishing, which released the manga in 2008.