Hioki, a second-year high school student, finds herself alone when her close friends are separated in class and struggles to decide on groups for a school trip. However, she is invited to join a group of four handsome boys by a boy from her middle school. Initially, Hioki is taken aback by the popularity of the four members known as the 'Four Kings of Paradise.' Yet, one of them, Tokai, always looks out for Hioki, and they gradually grow closer...
