Hibiki decides to weight-train to be absolutely thin by summer vacation.

155 of 162 Reds games this season on Fubo

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154 of 162 Guardians games this season on Fubo

Machio explains why exercise causes one to gain both weight and muscle, Akemi teaches the importance of dynamic stretching, and Hibiki learns about Ayaka's family business.

One of Hibiki's teachers, Satomi Tachibana, joins the Silverman Gym to lose some weight, but wants to hide her secret hobby from her students; Ayaka meets Hibiki and Akemi for lunch, and notices that something about Hibiki's bento feels strange.

Hibiki and Akemi must use different equipment due to crowds at the gym; Ayaka joins them in a home training session; everyone goes to the beach.

Hibiki enacts a personal training regimen to succeed in Sports Day; Hibiki tries to win the Silverman Gym raffle.