There must be a connection between two of them from the time of his kidnapping. Maybe they were in the same position, but one was saved and the other had to rise from ashes.
Then, he got obsessed with the boy he shared his time with and step by step took everything in order to have him forced into the trap.
Lee Won reminds me of myself a lot. The only difference is that I never had anyone to stuck by me and ok, my family wasn’t like that. But with all other difficulties in life, I just learned how to shut myself off from everything and just hope the life will go on.
There must be a connection between two of them from the time of his kidnapping. Maybe they were in the same position, but one was saved and the other had to rise from ashes.
Then, he got obsessed with the boy he shared his time with and step by step took everything in order to have him forced into the trap.
This is my guess
They do have history, mc just doesn’t know/remember it yet!