The seventh nurse with a terrible character is a nurse with the black heart of Kiritani. For the Yamada, who had seen the whole nightmare of his life in the hospital, this was to be the beginning of the first days of rest. Kiritani, the main nurse, treats Yamada with care and tenderness. Yamada gladly discovers that Kiritani not only cares about his extraction of sperm, but also personally feeds him. However, hearing her name, Kurokava suddenly burst into tears and told him about her true essence. She is an evil former criminal who tirelessly pursued people objectionable to her, intimidating and gossip. However, such warnings passed by Yamada"s ears. He was immersed in the illusion of "happy days ", which finally came. Soon, Yamada was very regretted about his delusions. Yamada, without thinking, mentioned the name of Kurokava, which woke up the demonic essence of Kiritani, bringing it into a rage and making himself a new "object for punishment ".