Self-proclaimed “Bad Girl” Yuu Yuutani is head over heels for her senpai! And while delinquent she is not, Yuu’s gotta keep up the act if she wants to catch Atori-senpai’s eye. But how's a girl supposed to stay cool while watching fireworks with her gorgeous senpai?! Or when she suddenly finds herself in her senpai’s house?! Wait, what?! C’mon, deep breaths, Yuu... Get it together! All those years of yuri fantasy have prepared you for this moment, right...?