After a transformative holiday and the approach of Valentine's Day, Sawako Kuronuma finds herself building better relationships with her peers. Despite her growing affection for the charming Shouta Kazehaya, Sawako hesitates to give him traditional chocolates and ultimately decides against it. This choice creates a rift as Kazehaya, who harbors feelings for Sawako, senses a growing distance between them. With the transition from February to April marking the start of her second year in high school, Sawako is relieved to discover that she shares a class with her close friends Ayane Yano and Chizuru Yoshida, as well as Kazehaya, his friend Ryuu Sanada, and the new student Kento Miura. As Kento becomes interested in Sawako, the dynamics of Sawako and Kazehaya's budding romance face unforeseen challenges.