Mr. Sasakura announces his first solo art exhibition. When the boys hear Ms. Itoko is posing as a nude model, excitement ripples through the class. But the shock intensifies when they learn Tenma and Yakumo will model too! As the day of the exhibit arrives, emotions run high and tempers flare.

Heartbroken after overhearing Harima and Yakumo, Hanai retreats to the mountains for intense soul-searching. Upon returning, he meets Harry McKenzie—a flashy, bike-riding blonde—and ends up in an unexpected showdown. Just in time, Harima arrives for his meeting with Yakumo, and a three-way battle begins!