Telling someone that I (F) read Yuri

So a while ago a classmate from finance management class tapped my shoulder to ask this
"Hey I noticed you were reading a manhwa earlier. What were you reading?"

"Kill Switch."

"Ohh nice what's the genre?"

"Yuri."

There's dead silence and I can see the guy beside her purse his lips and look away. I immediately regret it. I'm never telling anyone again I know this is stupid to worry over but I just wanna know if it was a bad idea to say that? I might've made them uncomfortable HAHSHASDJS