I hope Kayden & Curtin train Jiwoo as much as they can, this world is just too rude an...

I hope Kayden & Curtin train Jiwoo as much as they can, this world is just too rude and cruel for a soft Jiwoo. Especially, he is unaffiliated, troubles always came without notice. He needs to be strong equally or more.

And author, what you have done to Curtin XDDD