Yuika is a new nurse who started working at a certain hospital. Yuika is a little clumsy and was worried about whether she could do her job as a nurse, but thanks to the sometimes kind and sometimes strict head nurse Yui, she was able to work positively. One day... Yuika was on duty with Yui, and during her break, she indulged in masturbation to calm her frustrated body. She was unaware that Yui was watching her with eyes targeting her prey... The night, the woman, drove Yuika crazy...