Responses
Grandpa but he's still young. If he gave birth to His son at let's say 25 y.o. and his son is now 27, that makes him only 52 y.o. so plus or minus a few years he'd still be in his fifties. (DoYoon's age is calculated at 22 college age+5 years passing time). His father's age at DY's conception is unknown. So just an estimate. While he's a grandfather, age wise he still falls under the category of Dilf material and not Gilf.
Gilf honestly