Their relationship is further disturbed because one of them Ha Ram is possessed by the Demon and the other one Hong Cheon-gi is the divine painter tasked with making the vessel in which the Demon must be sealed.
And then there was no improvement and development for them, which could have at least compensated in the later half.
If you don't like it, then drop it.
I won't lie some spoilers, but only in story set up details.
There's no resemble of the kid from Abyss or 17 again!! Yet nothing was properly explained.
Retrieved July 9, 2021.