Responses
I think it’s just semantics. From Eunsan’s pov he probably thought he was “100% hetero” up until this point (he might even still think it). The author probably phrased it that way because Eunsan has only ever dated women and been interested in women. Everyone comes to terms with their sexuality differently.

Yeah this author has no idea what gayness is lmfao if you’re gay you’re gay it doesn’t matter if you haven’t slept with men