Psychological/mystery, preferably manga, that actually surprised you with the plot twists?

these are js some I’ve read
https://www.mangago.me/read-manga/when_night_falls/
https://www.mangago.me/read-manga/boku_no_namae_wa_shounen_a/
https://www.mangago.me/read-manga/ijimeru_aitsu_ga_waruinoka_ijimerareta_boku_ga_waruinoka/
https://www.mangago.me/read-manga/sachiiro_no_one_room/ (I pref this over the live action)
https://www.mangago.me/read-manga/efforts_never_betray/ (Highly recommend)
https://www.mangago.me/read-manga/soloist_of_the_prison/
https://www.mangago.me/read-manga/kimi_ni_koisuru_satsujinki/
https://www.mangago.me/read-manga/justified_murder/ )
(Highly recommend as well!!)
https://www.mangago.me/read-manga/stalker_s_game/

Not really manga but the plot twists of pigpen shook me

Thank you!!

Thank you!

https://www.mangago.me/read-manga/mystery_to_iunakare/

Thank you!