"First muscle training animation ever!" A 16-year-old girl named Hinako leads exercises in push-ups, sit-ups, and squats. Hinako was once a human, but she was turned into an anime character when she was a second-year middle-school student.

Hinako, former human who now lives in the anime world, has fallen asleep. This is the video documentary of her defenceless sleeping pattern.

The premise of the episode is to teach exercises while bathing.

Stretching exercises for after getting out of the bath.