The central plot focuses on the school’s upcoming marathon. Senpai, who is notoriously unathletic, finds himself struggling to keep up. Nagatoro, seeing an opportunity to tease him but also wanting him to succeed, offers to "practice" with him.
Senpai shows more backbone in this episode, pushing through physical discomfort not just because of Nagatoro's teasing, but because he wants to meet her expectations. IjiranaideNagatoro-san2_Ep_03_SUB_ITA.mp4
Don't Toy With Me, Miss Nagatoro 2nd Attack – Episode 3: "Nagatoro-san, Don't You Want to Practice?" The central plot focuses on the school’s upcoming marathon