"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.
1967
2020
2023
2008
1981
1970
2006
—
2025
1976
2021
2019
1982
1953
2007
1985
1992