Crush on the protagonists best friend

We are following the life of a girl in a harem. Y/n.
(Harem around the boy not reverse harem, sadly)
The catch is, she doesn't want to be in that harem, she thinks it's a pain to compete against so many girls just to get to love one boy. So she doesn't.
But enduring it is the only way to see him.
The male, harem-protagonists best friend. Keno.

Ever since y/n first saw him, she forgot all about her affection towards Akane and had a one sided crush on Keno since the third year of middle school.
(Where she became conscious of this ridiculous harem situation)
Now she is in Highschool. What will happen in this mess of a harem?

(Story is in y/n perspective cause I dunno what I should name the protagonist)