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I think around chapter 47 he tests him by saying he sees one of those wolf spiders and Abel ends up fainting, I think that's when he realised it was him ( I'm going off the raws but I can't read korean so I am not 100% sure)
Thank God its near I was about to loss my marbles if this goes on any longer HAHA thanks sis
Chapter 53
Ah ig then it was that chapter sorry wasn't quite sure anymore haha #－.－)
ヾ(❀╹◡╹)ﾉ~
Ofccc
When he gon discover its mc?