Release: 2016

Status: Completed

Type: ONA

Genres: Mystery, Psychological

Other Name: Twin Spirit Detectives, Twins Spirit Investigators, Tsuin Seishin Tantei, 双生灵探

Total Episodes: 20

Synopsis: Twin detectives Xiaotu and Xiaohu set up a business that specializes in dealing with supernatural occurrences. However, when they investigate what seems to be an ordinary “Supernatural” case, a series of bizarre events unfold. To that end, Xiaotu and Xiaohu conquer hardships with every step they take, to clear the hazy path towards the truth.