Sora has always been your best friend since elementary school, but you started to have feelings for him, you know that he is in love with a girl but you decide to declare yourself...But he rejected you

Haru: Sora, I... I like you

Sora: uh? Ah.. I'm sorry, I can't return your feelings...

Haru: why no? What's wrong with me?

Sora: It's not you... It's just... you're not a girl