When he was young, Chitose Hitose, a high school kid lost his parents in a fatal accident. They left him to live in a huge house all alone. At school, his grades were bad and he fought a lot. One day on a rainy day, when he was about to snap, Mutsuki Ichimonji, the classic japanese female teacher from his class, covers him with her umbrella and proposes to him to be his guardian a.k.a his mom. After reaching his house, Chitose finds out that 4 other young female teacher\'s wants to be his mom. There\'s Uzuki Shitamou the Arts teacher, Satsuki Gokajou the P.E teacher, Yayoi Sanzein the school nurse and Kisaragi Ninomai the chemistry teacher. With all of them living in the same house, Chitose new life begans. However, it seems that Fumitsuki, the female Class president wants to find out if he\'s living with them or not and Kana, Kisaragi rival, wants Chitose all to herself. Will Chitose and is 5 moms live together in harmony ?? Will somebody find his secret ??? With Chitose sister\'s Minazuki and Hazuki coming for a visit, will Chitose have his normal life back ???