In the seemingly ordinary halls of Kurogane High School, four students find their lives intertwined by a shared desire to break free from their mundane routines. Among them is Matsumoto Misaki, the enigmatic "ice princess" whose brilliance and mystery captivate everyone around her. However, Kurogane High is anything but ordinary—it harbors hidden curses, quiet misfortunes that creep into the lives of its students.

As their final year unfolds, the four revive what was once called the myster club, they now must navigate a web of secrets, rivalry, and fleeting connections, questioning the boundaries between what’s genuine and what’s an illusion. Amid the chaos, one question lingers: can they find meaning in their youth before time runs out?

This is a story of love, betrayal, and discovering what it truly means to live.