Touhou Chireikiden ~ Hansoku Tantei Satori

The first official Touhou webcomic written by ZUN and drawn by newcomer Ginmokusei, featuring Satori Komeiji as the master armchair detective from the depths of the Earth. The first issue is currently free to read on the official Touhou web blog: https://touhougarakuta.com/comic/touhouchireikiden_1/ (Source: MangaDex)