In a highly memorable twist, Usui temporarily works at Miyabigaoka High as a butler. Misaki is forced to confront her feelings of abandonment when she sees him serving her rival, Tora Igarashi. Story Arc 4: The Climax of Romance (Episodes 18–26)

The series can be loosely divided into three major arcs, each focusing on a different aspect of the central characters' relationships and personal growth.