I forgot which chapter but YuYang dreams of I think the club president confessing to him, also he mentions his crush has a boyfriend or something. YuYang thinks LiHuan has been put up to a plan to make fun of him for being gay so obviously he wouldn't assume LiHuan has a boyfriend. Hope this helps :))
no, Yuyang crush is the protagonist of "Guang Xiang", Yuyang is in that manhua too but he was rejected. I thought he had already moved on, but apparently not. :c
Guessing a lot of people haven't read the"prequel" as it's fucking obvious who he was talking about, now all these comments asking "who was he referring too" are just spamming the comment section. Anyway, it must have been a year or two since that rejection in that series right? and he still hasn't come to terms with it. It wasn't as though he and Lin Xian were shown to be particularly close/or to have known each other for any considerable amount of time (they met in first year, and Yuyang's character's main point it seemed was just to enable Lin Xian to accept his orientation, nothing particularly interesting really but I guess if you come from a country that is more homophobic someone getting drunk and saying the obvious link http://www.mangago.me/read-manga/guang_xiang/nbt/d9b2be75d3232770/Ch33/1/ probably comes off as something really profound)
Did you read chapter 30? You guys don’t need to read Guang Xiang to know that he likes Lin Xiang. Literally it was pretty obvious from chapter 30, I believe. The two manhwas aren’t exactly prequels/ sequels to each other but rather our min character YuYang has a cameo appearance and Guang Xiang.

I have a feeling that the person who called out YuYang was YuYang's crush (the guy in his dreams). Also, I have so much respect for JiangYu because she's handled the situation well and respected YuYang's sexuality by not making any moves on him. I mean we can't help who we end up falling for but we can control how we handle it.