My Childhood Friend is a BL Novel Protagonist

I was possessed by the fun 19+ BL novel <Devran's Yuri>!
And as Sophia, the protagonist Aiden's childhood friend!

Just like following my friend to Gangnam, I ended up enrolling in Devran Academy following the protagonist.
Just like the original, young and rich, tall and handsome guys start to show up one by one.

It's pleasing to the eye, but… … They're gay anyway!
They don't have any interest in me, do they? Of course I don't either.
Have fun dating among yourselves! I'm going to have fun at school with my friends!

But… …

"Sophia Serin! Let's compete!"
"Hello, Senior Serin."
"You looked troubled. Did I help you, huh?"
“Come here, Poppy. Hand.”

A former gangster and passionate prosecutor, a magical genius student council president, musician twins, a prince pretending to be a commoner, etc.

You’re all fish in Aiden’s fishing grounds!
Why are you interested in me and not my childhood friend?

“Because I don’t want to share you with anyone else.”

Even the protagonist’s childhood friend acts differently than in the novel?!

Why is everyone acting like this?
I’m just an extra!