At 27, Rei Hanasaki was appointed branch manager—a position she earned through passion and relentless drive, though her youth sometimes leads to an aggressive approach. Her subordinate, Hino, is someone who isn't afraid to voice his opinions to his superior, but under the weight of Rei's strong will, he struggles daily while pushing forward. As Rei continues to push work forward forcefully, Hino gradually builds resentment, culminating in a shocking decision one day. Feeling that Rei's words were tantamount to dismissal, Hino decides to honestly confront her with his true feelings. Their relationship begins to deepen, blurring the lines between professional duty and personal emotion.