Ryuni Hirasaka, a gynecologist who turns nurses at St. Juliana Hospital into sex guys one after another. To develop into a candidate nurse in a special ward that serves male patients with wealthy social status. Training called his experiment continued. And the tentacles finally approach Hikaru Kodama who was selected as the last candidate nurse. Ryuni burns his hands for the first time in Jaja horse of Hikaru, but when she finds out that her weak point is sick of her relatives, she ties her limbs to the story and starts her experiment. Hikaru is forced to awaken the hidden pleasure through a fierce and nasty experiment. Fearing her horrifying pleasures, she gradually blooms her little body mysteriously and indecently ...