A teacher struggles to maintain her professional composure while engaged in a secret, passionate relationship with one of her students. After being teased by a friend about her taste in younger men, she attempts to address the student's failing grades by arranging private tutoring sessions, though her deep affection for him makes it difficult to stay focused on his academics.
Maho's overwhelming passion for Yuu leads to a sudden collapse and hospitalization. Upon waking, she finds herself completely devoid of any memory of her feelings for him, effectively freeing her from her emotional turmoil. As Maho attempts to make a fresh start, Yuu and his brother are left to grapple with the bittersweet consequences of her forgotten desire.