Itsuki, an ordinary guy, crosses paths with Hinako, a wealthy, perfect girl who is his polar opposite.

Itsuki starts his first day as Hinako's caretaker and experiences life at a top-class school.

Itsuki is reunited with Miyakojima Narika, whose standoffish demeanor prevents her from making friends.

Itsuki grows closer to Hinako after she has a fainting spell.