Shinchosha has published thirteen volumes from September 2014 to August 2022 under their Shincho Bunko nex imprint.

The story revolves around a doctor who solves murders and medical mysteries at the department of diagnosis at a general hospital.

A manga adaptation illustrated by Hiroki Ohara was serialized in Shinchosha's Monthly Comic @ Bunch from April 21, 2016, to March 20, 2018.

[37][38] A second manga adaptation illustrated by Eri Takenashi, titled Ameku Takao's Detective Karte – Sphere no Shitenshi, began serialization in Kodansha's Good!

It is produced by Aniplex,[1] animated by Project No.9, and directed by Kazuya Iwata, with Satoru Sugizawa writing series scripts, Yuka Takashina designing the characters, and Fox Capture Plan composing the music.