You're right. Even the author confirmed that Sangwoo wasn't gay, not even bi. But it's true, let's not compare notTexas
Yaoi doesn’t have to have romance in it or have the characters be bi or gay, it’s just two males having sex. There’s a reason why you add the romance genre to romantic BLs and don’t just put only the yaoi genre, sorry if my comment made anyone just saying my opinion
KS but make it yaoi