描述殺手與殺手之間扭曲的愛，《相愛相殺》的男女主角：神出鬼沒，孤獨的殺手兼懸賞對象的宋涼河，以及冷靜、沉默的賞金獵人夏特．丹克沃斯，兩人在某個慘不忍睹的現場相遇了。從那一天起，涼河變得經常出現在夏特身邊，他盯上夏特的目的究竟是……
今天所公開的資訊中，官方宣布堀内賢雄、天﨑滉平、前野智昭、大塚芳忠將參與配音演出的消息。主題曲的部分，片頭曲「Midnight Dancer」是由増田俊樹、片尾曲「マコトピリオド」則是由小林愛香負責演唱。

As long as hearts exist inside people, there will always be those who suffer. And then something “strange” enters their mind and causes a strange disease to manifest itself in the body. The illness, which is called a “mystery disease” is unknown to most, but certainly exists. There is a doctor and apprentice who fights the disease, which modern medicine cannot cure. His name is Ramune. He acts freely all the time, is foul-mouthed, and doesn’t even look like a doctor! However, once he is confronted with the mysterious disease, he is able to quickly uncover the root cause of his patients’ deep-seated distress and cure them. And beyond that… (Source: Crunchyroll)