"Unseen by Summer's Shadow"

Prompt: i’m in the world of the oc *the tv show* my name is amelia roberts. i am summer roberts sister. seth cohen has a crush on me and has since he was 8 (we are the same age go to same school). i have no idea abt this crush bc i am a popular girl like my sister and seth isn’t in my orbit. i see him sometimes and just make fun of him to my friends and walk away or i dont even see him like his exsitence which all changes when ryan attawood moves down from chino to seth’s house *just like the show pls be accruate* seth has only liked me and only will ever like me in the way he has. as of rn i have no idea. set in the 2000s. the show the oc so the universe of the oc.