https://www.mangago.me/read-manga/340_days/ not bl, but similar vibes as those
Here :
- https://www.mangago.me/read-manga/pandora_hearts/
- https://www.mangago.me/read-manga/golden_days/
I don't know if you like mangas but it was too good to not be recommended + :
- https://www.mangago.me/read-manga/american_ghost_jack/
- https://www.mangago.me/read-manga/an_uncomfortable_truth/
- https://www.mangago.me/read-manga/save_me/
- https://www.mangago.me/read-manga/winter_woods/
- https://www.mangago.me/read-manga/december_rain/
Hope it's your taste !
I think these will be to your liking
*Listen attentively
*Max Mojave's case
*When the star sleeps
*A painter behind the curtain
*Again
*Film emperor's reincarnation script
*Song of reverberation
*Cold-blooded beast
*You own my all
*Form of sympathy
*Kill the lights
*Ogus's law
*Please do not open the beast's cage at will
*Palace of bardo
Please recommend any sad, tragic, mystery with possibly no smut manga/ manhua. Something like - dark heaven, murderer llewellyn's enchanting dinner invitation, Two souls, At the End of the Road, Concubine Walkthrough and No Doubt in Us