Shiina Aki is a person who has been treated as though he were female because of his appearance. In an effort to alter himself, he decides to relocate to Tokyo to attend middle school at Sunohara-sou. Upon arriving in his new home, he encounters the caring and compassionate caretaker, Ayaka Sunohara, along with three other girls who are members of his new school's student council: Yukimoto Yuzu, Yamanashi Sumire, and Kazami Yuri. Thus begins Shiina Aki's new life in Tokyo living alongside four females.