Kokoharu is asked by her husband, who runs an atelier for students taking entrance exams in the countryside, to be a nude model. Her husband is fascinated by the talent of a student named Hosoda, and after some persuasion, Kokoharu reluctantly agrees. On the day of the nude modeling session, Kokoharu is completely naked and is bathed in Hosoda's serious gaze, feeling something she has never felt before well up inside her. And before long, the two cross the line... Kokoharu and Hosoda nurture their love in the atelier until the entrance exams are over, but...