Tanaka Tetsuro is excited at getting a full scholarship at a new high school, far away from his family. What he does not know is that he will be the only boy in an all girl school, and that there is a girl head-over-heels in love with him, waiting for his arrival. But his special friendship with the very cute and dynamic Asuka also causes him to get into a lot of trouble with the powerful student council leadership, as they are at open war with Asuka and her five friends, a group of super amazon warriors called the Koi Koi Seven.
前田时造是日本原海军中尉,日本战败后,前田一家曾一度过着猫犬不如的贫困生活,他曾发誓要改变生活。现在,他过上了中产阶级的生活。在日本东京的郊区外,在大众式公寓丛中有了前田时造的家,不再是以前那种丑陋、寒酸的面貌。