Teekyū

Teekyū is a comedy manga that started running in February 2012. It gained an anime adaptation in the same year. It also has two spinoff manga titled Takamiya Nasuno Desu! and Usakame, both of which got their own anime. The series centers on the four girls who make up the tennis club of Kameido High School. However, the focus is mostly on their random adventures instead of tennis.'.

Enemy of the State With Senpai
Season 8, Episode 95 Airdate: December 14, 2016

It's the day of the Kameido High Marathon and the tennis club is raring to go; when Kanae and Marimo show up with strangely muscular bodies, it's only the beginning of a typically atypical race. Marimo and Kanae get strong arms and legs for a bit.