"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.
—
1997
2012
1963
2010
1982
2011
2016
2015
2003
2017
1958
2022
1993