Mai, a caregiver assigned to an elderly man, Yoshioka. Yoshioka liked her cute appearance and told her she should start taking care of her health right away. Without hesitation, Yoshioka subtly engaged in sexual harassment with strong sexual advances. The old man had corrupted her innocent body, and he did not like the nursing job, but at one point, Yoshioka's physical condition suddenly changed. Mai immediately took life-saving measures, and Yoshioka saved her life. And the relationship between the two changed dramatically with this opportunity.