10 years after her middle school days and now a full grown woman, Takagi-san returns to the middle school where she graduated from as a trainee trainer. There, she meets Nishikata who was one of her middle school classmates and he was frequently teased by her. Now, Nishikata works as a PE teacher at the same school. (Source: AsianWiki) ~~ Adapted from the manga series "Karakai Jozu no Takagi-san" (からかい上手の高木さん) by Yamamoto Soichiro (山本崇一朗).