Danchigai  

Big Difference, だんちがい, 群居姐妹

Haruki Nakano leads an ordinary high school existence, except for the fact that his mother resides abroad and he shares a flat with four sisters. The eldest sister, Mutsuki, frequently nods off in her bed while Yayoi, who attends junior high school, lashes out whenever something occurs. Additionally, Uzuki and Satsuki, the grade school twins, enjoy playing pranks on their older brother. Living with four females presents Haruki with numerous challenges. From running errands to viewing frightening films, as well as engaging in kissing practice, life in Danchigai is always exciting!