shutline has similar vibes
June's Noir, maybe!
I’d say reverse thinking is pretty similar.
"Bones and Petals" is very veryyy similar, its also about an immortal (vampire) and a doctor who starts experimenting on him, set in pretty much the same time period and its finished. you're welcome yall
Dail again
Sorry I mean ' Dial again'
can you guys recommend me a Manwha with the same vibe as this? (๑•ㅂ•)و✧