Aoki Daisuke, a third‑grade teacher, never imagined that his first class would become one of the toughest challenges of his life. His initial missteps with the entire class set a difficult tone, but a brief act of kindness wins over one student, Rin Kokonoe, who quickly becomes enamored with Aoki‑sensei. As Rin’s infatuation intensifies, the reasons behind her desire to actively pursue Aoki‑sensei emerge, and the question remains: can Aoki‑sensei help her navigate these complex feelings?