is a Japanese manga series written by and illustrated by Teppei Sugiyama. It was serialized in Shogakukan's manga magazine Weekly Shà Ânen Sunday from November 2017 to July 2019, with its chapters collected in eight volumes.
Written by and illustrated by Teppei Sugiyama, Tantei Xeno to Nanatsu no Satsujin Misshitsu was serialized in Shogakukan's manga magazine Weekly Shà Ânen Sunday from November 29, 2017, to July 17, 2019. Shogakukan collected its chapters in eight volumes, released from April 18, 2018, to September 18, 2019.