Do you at least remember the engine? RPGM, renpy or whatever?
i think its ue or unity, the game its like kalyskah something like that.
The things i remember its: sandbox or open world game, with a blonde short hair female protag, the engine its ue or unity, the protagonist its very thick, the dev recently added something like a survival in open world, the game its not old its recent, the game begin with the protagonist in a jail, the scenario of the game its dark, have cells with species like man (called savage), and other species i dont remember and the protagonist can have sex with the species.