Nestled away on the rooftop of Tenikai General Hospital is the unconventional Department of Investigative Pathology headed by the eccentric Dr. Takao Ameku. The tiny department, consisting of Takao and her sole resident Yuu "Kotori" Takanashi, treats complex cases that most other departments within the hospital cannot resolve on their own. The mystery-obsessed Takao always tries to insert herself into cases that capt...