Houkago Groove (2013)

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Makoto Kiryu (Rin Takanashi) is a young physical education teacher at a middle school. When she was a teenager, Makoto joined a motorcycle gang and dropped out of high school. A little bit later, she thought things over and changed her ways. Makoto then entered college and she eventually became a physical education teacher. She's excellant with sports, but has difficulties with teaching dance as it is a required subject for the students. Makoto tries not to be noticed by the students.