HEs the friend or boyfriend form yeonwoon friend
no, he’s the blonde older guy that taehwan shook hands with in chapter 83. alex is the ginger guy that esther was waiting for at the library in chapter 83 too.
Mike is a newly introduced character, someone from taehwn's past, part of the reason that taehwan is the way he is.
From what I've seen in the raws, he was the person Taehwan stayed with when he was in high school
It's heavily hinted that Mike is the reason he doesn't like being associated with the word 'gay'
Someone tell me who mike is?! (￣∇￣")