Okay. You resented the fact that you know you're not wanted child at first but at the end you're growing with loving parents, no? What's about your mom who got abandoned by his mother and never came back to get him? To the point your mom hate his mom so much?
I wish Hyesung will have cold heart so that they realized the hatred of him toward the grandma is so deep as ocean.











Tbh, it's doesn't dissolve the pains he went through. There's no solution to fix the situation. All ML can do is to live with guilty and pain while make MC happy for the rest of his life without noticing ML's guilty toward him.