Naruse wa Koi ga Shoumei Dekinai

A second-year master's student in the Graduate School of Science and Engineering, Hiyoko is prone to being overbearing in romantic situations. After her boyfriend ends their relationship without explanation, she is left feeling down. Naruse, an intelligent member of her lab, suggests an unconventional arrangement, aiming to study her love life to identify potential issues. As he gets closer to her, Hiyoko's heart rate appears to spike dramatically.