Nagatoro is a freshman in high school who loves teasing and torturing her older male classmate (Senpai).

The playful pestering never ends with Nagatoro, and now she’s joined by her crude colleagues who get a tickle out of toying with Senpai. With summer in full swing, it’s time for festivals, games, and breaking a sweat! But as temperatures rise, it seems like things might also heat up between Nagatoro and Senpai.