Tomb Raider King, Vol. 9 (manga)

Following his grueling battle with the Chief Commander, Jooheon has to sleep for a week to recover. But the last thing he expected to wake up to was…a nine-year-old son he didn’t know he had?! Things get even weirder when the boy is revealed to be the owner of Leonardo da Vinci’s Relic, but more importantly, a DNA test reveals he’s actually Jaeha’s son!