As long as humans have a heart, they will have troubles. "Strangeness" also takes advantage of this and causes strange symptoms in the body. This disease, called "mysterious disease", is unknown to everyone, but it does exist. Faced with this disease that modern medicine is helpless to treat, a doctor and his apprentice came forward to deal with it. His name is Ramney. He doesn't look like a doctor at all. He always does his own thing and speaks ruthlessly. But when he faces a strange disease, he can instantly find the cause of the troubles hidden in the patients' hearts and treat them.