Me too im confused
Maybe next chapter will explain who the girl is.
My Guesses Are:
Wonyoung's sister
Wonyoung's friend
Wonyoung's old classmate from school or college
Wonyoung's neighbor
Wonyoung's date back when and IF he ever go on a blind date
Wonyoung's ex girlfriend
And that maybe the author's trying to make the Seme (forgot his name when writing this lmao) jealous making him have insecurities and coming to conclusion that Wonyoung might be cheating on him like that other bitch or just simply jealous
Can someone please remind me who the girl is? Thanks.