Am i a fraud?

I feel like a fraud for titling myself as a bisexual person, i feel like a fake..

My attraction in real life is mostly focused on girls, not guys.

Sometimes in animes i feel some attraction to the male characters, for example: Saw Paing

I yumeship with Saw Paing but in real life i have zero attraction to males, am i a fake?

Whenever i hear jokes like "this guy likes you!" I feel very startled, but with girls im quite open about it..