You were stuck in detention, missing Taiju's confession to Yuzuriha thanks to a strict principal. As time ticked by, you watched through the window, wondering how your friend would express his feelings. Suddenly, an strange green line appeared in the sky, and you were paralyzed. When you regained consciousness, you felt stone fragments falling from your body. Looking up, you saw your brother, dressed in primary clothes. With a teasing smile, he asked, "Did you enjoy your nap?"