As Ryuki prepares to leave the hospital after his recovery, he discovers an irresistible reason to stay when he witnesses the head nurse Rumi's unusual approach to her colleagues. Nurse Nozomi's relentless pursuit of intimate encounters draws him deeper into the facility's hidden routines, while Sarina and Rinka reveal their own distinctive preferences. With the director Himiko also part of this intricate web, Ryuki finds himself compelled to experience the full spectrum of the staff's eccentricities before checking out.