Keika, who aims to become a high school teacher, was juggling her studies with a part-time job as a private tutor. Skilled at teaching, she became so popular that she took on multiple students at once. However, overwhelmed by her busy schedule and feelings of loneliness, she broke up with her boyfriend. A month had passed since then, and she continued to suffer from the emptiness of love. One day, a student she met in class gave her a seductive gaze. In front of him, she found herself visibly aroused, her crotch swelling with desire as she began exuding sensuality.