"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.
2018
1996
2003
1970
2021
2010
2022
2011
2020
2015
1978
2016
1994
1995
1987