This is just my guess but... The father is a psychiatrist so maybe he is trying to experiment on them. Like... maybe he drugged his sons so they lose they memory and captivate them in identical rooms to see if they act differently or something similar. just my hipothesis, but there's still a lot of things I am not sure of.
This story really make me stress
a bored polygamist psycho run out of k-drama recommendation so he tried to make the home-made one
Stop, this made me laugh so hard
bwahaha fax
What is yohan's dad motive?! What is he trying to achieve by doing those kid of things toward his kids like, i can't never understand psychos