Ryoko Tanbo

Ryouko Tanbou is a character from the dark, 18+ visual novel, Saya No Uta. Ryouko was a young psychiatrist at Tokyo University Hospital, who had only recently gotten her MD when she met Fuminori Sakisaka, a medical student at the university who was referred to her after he was in a car accident, which caused may have caused. Tanbou could see no damage, however, she suspected something was off. Little did she no, there was substantial brain damage which, while in no way effecting his mental capacity, caused Fuminori to see humans as monsters and everything as covered in blood and gore. Meanwhile, Tanbou was also conducting an independant investigation of the strange disappearance of doctor Ougai, and the disappearance of several infants in the university hospital. The two case would become linked when she and Fuminori's friend, Kouji Tonoo discovered the shocking secret behind the disappearance of one of their friends, Oumi Takahata. It turned out, Fuminori was in contact with an extradimenisional alien the Dr. Ougai had brought into this world and named "Saya". Saya had left Dr. Ougai's home and escaped into the hospital, meeting Fuminori, who saw her as a normal human. Kouji and Tanbou discover "Saya" drove Fuminori to murder and cannibalism, and discover disturbing secrets about the nature of "Saya", including impressive regenerative abilities and the ability to convert other life forms into "her" species. Kouji and Ryouko later corner Fuminori and Saya in an abandoned building. Depending on the ending, Saya either succeeds in converting all life on the planet into her species, returns to her home dimension, failing to convert humanity, or, in the closest thing the "good end" (for humanity, anyway) in the visual novel, Ryouko Tanbou is severely wounded in a fight with Fuminori, but manages to kill Saya by dousing her in Liquid Nitrogen and shooting her with a sawed-off shotgun. However, Ryouko later succumbs to her wounds, Fuminori commits suicide, and it is implied Kouji is driven to insanity and possibly suicide.