Adult PC Game: Cursed Overlord - v1.25 AD by King's Turtle Archive

In this game, you play as an ordinary office clerk who is accidentally killed by lightning, after that you resurrected in another world to replace the previous dark overlord who was defeated by humans. But under uncertain circumstances during the resurrection, something went wrong, and a curse was put on you, which sometimes activates and eats you from the inside... And now you need to find out how to get rid of the curse!​