Responses
yeah that's right in the bible Abel was the good son while Cain wasn't, the author is probably playing off of that. Abel is light while Cain is Darkness. I know that in this Manuwa the MC loved his brother and is seeking revenge for him so it not exactly like the biblical story of Cain and Abel, but its still a play on the concept if that makes any sense.
Noob question, why did the MC chose 'Cain' as his 'name'.? Is it any related to him or his brother??