Responses
it's because uke knows that it's different than seeing a straight couple. he didn't come out on his own terms and in his eyes the way dude reacted appeared as disgust or discomfort towards him being gay. it was a misunderstanding, yes, but in his eyes that hurt a lot, and wouldn't be a far stretch at all to assume that is what it was, especially with the sketchy way ml acted afterwards. what i find stupid is ml's naivety that that would be the reason why, and not that his sunbae would just know somehow, despite there being absolutely no indirect indication, he was thinking of him lustfully.
"was I too harsh?", proceeds to ignore his calls then answers the phone not even giving the man a chance to say another word other than sunbae then proceeds to go on fuck mode with red guy. Honestly tho, after witnessing that sight did he really expect him to act like nothing happened and be all sunshine and rainbows?