Responses
"Kill the lights", recognized it when you mentioned a piercing on his butt cheeks
Dunno if this what you're looking for tho
OMG THIS IS IT!! THANKYIU SO MUCHHHHHH
The story is about the MC being a mercenary of sorts and saved a child from being kidnapped, he was killed and kind of transmigrated to another body in the future where the child he saved was already big.
Additional info: the body he transmigrated on was a slutty something person with peircings between his ahh and dieck