
She abandoned him first, and even denied his existence from her new husband because she was ashamed of him.
What kind of audacity she had to question why Hyesung didn't look for her after all those years.
Excuse me ma'am, your son isn't looking for you because he's trying to survive after you and your ex-husband neglect him to fend for himself.
There, mic drop.

Poor blonde boy.
He knows if pretend-blind get out of there even though he would report to the police immediately, he would still be killed. So he give up and abandoned his survival, and asked a favour to relay a message to his loved ones instead.
Ahh, author really knows how to mess with my feelings when they involved the victims personal life into the crime. First it was Han jijoong with his ambition to become a novelist and admiration to Ilmo, and now it's this barely of age boy who's sorry for his mother.
Uuumm-- yeah, it's kinky and all... but, please don't choke your partner in bed unless they asked to be done so. ( ̄∇ ̄")
This is a fiction, so his reaction to the choking is also fictional.
If it were to be a real life situation, your partner would be totally freaking out