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I read this a while ago but forgot the name and can vaguely remember some things from it, i’ve searched everywhere and can’t find it

It was a black and white manga
I think it takes place in some sort of space laboratory place? Not sure about the space part but I know it was in a lab of some sorts
The bottom has some sort of regenerative ability and he’s captured because of it
Pretty sure he’s experimented on and the scientists have sex with him to heal themselves or something like that
Not completely sure but I think there’s an ml that’s a scientist there that eventually saves him?

this is my first post sorry if there’s any mistakes😭