``There's nothing wrong with it at all'' Mystery!? Detective gag reprint!! Readers are invited to a feast held by a flat-faced robot detective with monsters!! Simultaneously includes “Robot-kun ” serialized in “Shonen Sunday” !! Commentary Mistaking red paint for blood and mannequins for humans. Can you follow the adventures of the robot detective? In addition to all 2 volumes of Koremitsu Maetani's rental work ``Robot Detective'', the one-shot ``Robot Detective Fearful Mummy'' published in ``Shonen'' and `` Robot-kun'' serialized in ``Weekly Shonen Sunday'' are included for the first time in a book!! <Robot Detective 1> The monster who invited the robot detective to a suspicious hotel looks like a vampire...? Monsters starring: Vampire Dracula, Invisible Man <Robot Detective 2> A hilarious game of tag between the robot detective and Mr. Hyde that unfolds in the night town! Monsters appearing: Mr. Hyde, Frankenstein <Robot Detective: Mummy of Terror> The activities of a robot detective who pursues suspicious mummies who are doing evil things one after another!! Cast: Mummy Man