CHIN's

Mariko arrives in Osaka for the fight of her life. Blackthorne and Yabushige scramble to save their own heads as their options dwindle.

Taichi learns of Kohei's ambition and begins to think about his future when he meets someone on the road.

Ending performance: Relax! by No3b (No Sleeves).

Nadeshiko plans to go camping with Rin, but catches a cold the night before and has to stay at home. As such, Rin decides to go on her own to a campsite at Ina, and attempts to take a detour to get there, but finds out that the road is closed. After meeting some mountain climbers, she lets Nadeshiko and Chiaki decide where she goes next, and visits a temple and a hot spring before eating at a restaurant and oversleeping. Meanwhile, Chiaki visits Nadeshiko at home and cooks houtou for her family.

Dai confides in a few members for advice. Ikuo's good intentions backfire. As things cool down, a surprise announcement leaves the boys in tears.