Sumire, a recent transfer student, encounters Toujou, dubbed as the school's lone Madonna. Their bond forms when Sumire intervenes in a scuffle involving Toujou, leading to their shared school days. Toujou, outwardly beautiful yet curt, shows a kind side exclusively to Sumire, stirring her emotions. The unexpected turn occurs when Toujou, following an injury from a brawl, surprises Sumire with a sudden kiss!