one of my faves~
http://www.mangago.zone/read-manga/kusuriya_no_hitorigoto/
These had the tag Mystery but I dont really remember If they are considered as mystery genre
http://www.mangago.zone/read-manga/wolf_in_the_house/?MW4M
http://www.mangago.zone/read-manga/a_man_like_you/?EB3P
http://www.mangago.zone/read-manga/body_electric/
Http://www.mangago.zone/read-manga/black_mirror/
http://www.mangago.zone/read-manga/hotel_phryne/
http://www.mangago.zone/read-manga/the_planet_walks_alone/
http://www.mangago.zone/read-manga/the_beast_must_die/?VH0Y
http://www.mangago.zone/read-manga/truth_or_dare/?OklO
http://www.mangago.zone/read-manga/foul_smell/
Im looking for good plot manhwa, manga, or manhua that have genre mystery. If you have a list or personal favorite please reply and share with me !!!