Because he gained weight, he looks like her mom's friend who seems to drop by often (the one that's always been worried about him.) He was in the house too when she was taking off for the concert.
*Looks back at chapter* Director Son. But he's totally the same guy. In her dads' romance, he's her mom's only friend we get to see.
There ain't no way baby girl is adopted though. That printer made a carbon copy without the musical talent. Her life would have much more uncomfortable if she had had talent, since that's the only way he knows how to relate.

WHAT LMAOOO why is she drawn to him that’s so messed up for so yi