From the creator of the surprise-hit romantic comedy Domestic Girlfriend! High school student Eiji is in love with Aki, the head of the tennis team, but he is unable to ask her out. Another student, Yuki, discovers his obsession with Aki, and promises to help him get closer to her…but Yuki’s help comes at a cost, and soon, the analytical, strategic Eiji finds himself deep in the messy turmoil of emotion…
Seiji Utsumi was satisfied with just gazing at his beloved Shou-sempai from afar. But when his classmate, Yuki Kurokawa, finds out about his crush, she pushes him to take action, and his one-sided love starts moving rapidly! Worrying about Kurokawa, Utsumi ignores a call from Shou to go check on Kurokawa in person. To Kurokawa's chagrin, Utsumi has decided he can't just leave her alone. Suddenly, Kurokawa's ex-boyfriend Toru appears in front of both of them. Utsumi tries to protect Kurokawa as she stands frozen in fear, but Toru tells them that the events that wounded Kurokawa were all a misunderstanding. The truth of Kurokawa's dark past is finally revealed...