Nagatoro is a freshman in high school who loves teasing and torturing her older male classmate! What's her motivation and why does Senpai put up with her? Does Nagatoro just want to create misery for Senpai? Or maybe she secretly likes him?
The trolling rolls on with Nagatoro! But who exactly is she? For all the time that she’s been pestering Senpai, he doesn’t really know that much about her. But that changes when he checks up on Nagatoro at home while she’s out sick. There, he meets Nagatoro’s older sister, who teases Senpai with the chance to learn Nagatoro’s deepest secrets…