I love Cain , because from day one his love is genuine.From day one he has clear feelings for Jooin,not like Yahwi who was hurting Jooin just because he was unsure of his feelings. We all deserve a green flag like Cain in a world full of Yahwi. P.S. Don't take me as Yahwi hater but just think if you were in Jooin's place ,whose side you have choosen.The one who constantly loves you in your worst or the one who can't love you when he is in his worst.
So here is a thing for those who don't understand Kyle is Ilay's Brother. Tae meet Kyle in a bookshop while he is on a run from Ilay and he left Unhrdo. Taeui is currently living with Kyle because he thought what's a better place than hiding in Ilay's own house. And in the flashback A few months or probably years ago : Tae once met Kyle before when he was buying a gun for his friend from the dealer. Now the last person we saw in the panel was the person/ friend he brought his gun for. So in short that guy knows both Ilay ,Taeui and about Taeui's running away