Ryota Tachibana started a local grocery store after getting fired from the supermarket where he worked due to an erroneous order. At the mansion he visited on request, he encountered the murder of a famous...

An ex-police detective turned private investigator X an incomprehensible young man Kawasaki runs a detective agency and by the time he realises it, Okachimachi, who is sometimes an uninvited helper (?) and...