Synopsis: Mon Seul

Following their parents' divorce, the Ikeuchi family dwindled to only two members: college student Masaki and his younger sister Minami. Their mother remarried, and their father vanished. Together with Masaki's best friend Kanda, who shares their home, they barely scrape by. Despite their struggles, the trio manages to maintain a content existence until Masaki's early return from work one day shatters their tranquility. The book consists of 5 chapters that are not part of the main storyline.