Itsuki Tomonari, a high school student, becomes embroiled in a kidnapping and ends up becoming the caretaker of Hinako Konohana, a young woman from one of Japan's largest conglomerates. Despite appearing charming and intelligent, Hinako is actually quite lazy and lacks basic life skills. However, she is forced to play the role of a "perfect young lady" at school due to familial obligations. Itsuki takes it upon himself to protect her and cares for her with great tenderness. Eventually, Hinako finds herself infatuated with Itsuki, unable to imagine life without him by her side. This is a heartwarming love story that blossoms between a cute young lady with complexity and the caring boy who transcends the master-servant relationship.