High schooler Itsuki Tomonari becomes responsible for Hinako Konohana, the daughter of one of Japan’s wealthiest business families. At school Hinako performs the role of a flawless young lady, but in private she has few practical skills and depends heavily on Itsuki’s help. Caring for the real person behind her polished public image gradually turns an imposed caretaker arrangement into a close relationship that crosses the social distance between them.