I think they just made him in a lab or something using the black haired guy’s DNA since they look like they are almost the same person Trota
but i think the old guys had a fling so seeing haeil sort of as their child in a sense since they both created him i believe, might be it??? idk it seems incestious by nature not physically.
Dudes, if they make Hyo-seo and Hae-il related imma fucking crash out
(╬ ̄皿 ̄)凸 (/TДT)/