Mugen Shinshi: Gensou-hen

This is the fifth iteration of the Mugen Shinshi franchise.

A guardian angel in black saves "me," who has inherited a huge inheritance, from a crisis. This collection contains a total of 12 stories serialized in Mystery Magazine.

(Source: Hayakawa Publishing, translated)

Included Stories:

Note: In 2007, volume 1 of Shinsouban Mugen Gaiden clarified the different versions of the story and iterations of the protagonist, Mamiya Mugen. This series was designated "Seinen tantei C version."