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! Kurokawa receives a letter from her ex-boyfriend, Toru, which prompts a fight between her and Utsumi. After Kurokawa brings Utsumi a present and cake for his birthday, the ill-will melts away, and the two find themselves closer than before. But as things heat up, Utsumi finds that Kurokawa's past is still closer than he thought...