On New Year's Eve, Hibiki and Gina are home when Akemi and Ayaka show up. Meanwhile, Satomi and Rumika are having a drinking party at Satomi's house. Walking around, the girls decide to head to a shrine. When they arrive, Akemi reveals that the muscle god is worshiped at the shrine. Ayaka then explains the exercise of stair climbing. When they reach the top, they find out that Machio's family owns the shrine and he works as a priest during the holiday. The next day, the girls are hanging out. When they arrive at a park to do a street workout, Akemi sifts through her training manual and they decide to do an isometrics workout...