How to put it : the chairman took an abandoned, lone and freezing Mookyul off the streets, fed him, raised him and so on, plus, because of his sick mindset, started this sexual relationship since Mookyul's early teenage years, fucking up his notion of what a family is, all the while making him feel like he was only a dog...
So yes, Mookyul definitely felt something akin to adoration. Mix that emotion with the feeling of being the chairman's only family - the closest person alive - but at the same time resentment, loneliness, and being completely aware of the impossibility of any improvement of this relationship. Moreover he shows signs of borderline personality disorder (in the main story). It's just tragic.
Mookyul had been mind-controlled and trained to absolute loyalty.
So I guess there are many kinds of love, this is an unhealthy example.
Nicely said.
So Mookyul actually in love with his Dad? Because he seems so pissed when he ask Sangchul about his position in his Dad eyes whether he's a lover or what and he always seems so lonely and bad mood when his Dad couldn't get in touch with him ╥﹏╥ Im having an heartache here ┗( T﹏T )┛