Hiwako (Hiyoko), a second-year master's student in the Graduate School of Science and Engineering, tends to be heavy in love and has lost touch with her boyfriend. One day, when she was depressed after being dumped, Naruse, a smart guy in the same lab, took an interest in her and proposed an experimental relationship, saying, "I want to analyze your love life and figure out your love life..."! Naruse comes on to her for analysis, and her heart rate explodes!