Heartful, a young wife, is asked by her husband, who runs a studio for exam-taking students, to be a nude model. Her husband is smitten with a student named Hosoda, and despite her reluctance, Heartful agrees. On the day of the nude modeling session, Heartful, completely naked, feels an unfamiliar surge as she is met with Hosoda's intense gaze. Soon, they cross the line and develop a passionate relationship that blossoms in the studio until the exams are over. However, their forbidden love faces an uncertain future…