In high school, Ayaka was forced to drop out after suffering sexual violence at the hands of a male teacher, leaving her deeply traumatized. Years later, she marries Yuuma, her supportive classmate from that time, and enrolls in night school to earn her high school diploma. There, she meets Koujima, a male teacher whose appearance bears a striking resemblance to the man who harmed her. Ayaka's heart begins to flutter, stirred by conflicting emotions. But she doesn't realize that Koujima can see the scars of her past—scars invisible to her own eyes. Their encounter sends new ripples through Ayaka's fragile heart, blurring the lines between pain and desire.