Oshiri Dandy is Oshiri Tantei's father and an adventurer. He works at the Museum Beyond the Sea, traveling the world to protect and recover ruins. Today rumored to be the most "dandy" man alive, how did he achieve such dandy-ness in his younger days? The curtain rises on the passionate adventures of Dandy as a rookie investigator...!?

(Source: Shueisha, translated)