
I am really confused and seem to perceive what the ACTUAL plot problem is (aside from the Ex showing up). I mean, what's so wrong about what the Uke was doing? Its not like he was doing something extremely bad. He helped the poor guy to become better at sex, he didn't even extorted money or steal his identity. Its not his fault if they eventually fall for each other. and besides, he made the website not because he knew Hojun or Hojun's dillema prior to that.

it start off as a joke in the beginning right? he's not even a teacher nor an expert, if he knew about it'll be awkward as hell. but i agree, he took it seriously, he's done research and stuffs but when we go back to how he acts like a know it all (he also mentioned it. he's kinda cringing about how he acts like a know it all) then the teacher being a part of a acting club/theatre(?) yeah, our seme might not take that well and doubt the teacher's feelings for him. oh, shit- i bet that fucking asshole will talk shit or make things up about him too, adds to the conflict.
FINALLY A SEUNGHOO DEVELOPMENT HNNNNG