If you're looking for manga similar to Touhou Chireikiden: Hansoku Tantei Satori, you might like these titles.
Miyoi works at Geidontei, a izakaya pub in a remote part of the fantasy land, Gensokyo. As a postergirl, she is worried about a rumor that some of their customers have disappeared, and that a ghoul has kidnapped them. Reimu, a priestess of Hakurei Shrine, sets out to investigate the case - what is behind all this?
Taisho year 12 (1923). A tragedy occurring in Hinamizawa changes the fate of a lone girl and her friends. The turbulent early life of Oryou, head of the Sonozaki family, one of the Three Great Families, who would later be feared and known as Empress Sonozaki.
It'a autumn in Gensokyo. Hieda no Akyu is about to finish the next chronicle of Gensokyo when she is visited by several inhabitants of the land.