Percy's POV I looked over all the kids bowing heck even Chiron is bowing I turn to look at a girl with h/l/c and e/c with a hint of blue in them she was smiling but wasn't bowing which made annabeth mad "welcome to camp Percy I'm y/n l/n nice ta meet ya !" She said cheerfully "um.. thanks" I feel very connected to her for some reason "n/n ! Are you hurt !? Do you need a bandaids ?" Will asked coming through kids "I'm fine Willy" "oh by the way m.k says hey" will say slightly blushing 'who's m.k ?' I thought " hey who's m.k ?" I asked will turns to me "Oh! Their the short kid you say where the huge black cloak with a gray mask" he explains "hey Percy stay away form that brat !" Annabeth yells "isn't will your camp healer why are you being so rude to him ?" I question "not will the weirdo seed weed brain !" Just then y/ n says "oh look a spider!" She picks the spider up and throws it at Annabeth who ran away screaming "woah I thought Annabeth was a chill girl guess not" I said watching her run "eh she hates me because I'm the 2nd smartest and she's the 3rd" y/n says shrugging "and m.k is the 1st smartest at camp and probably then Hera" will stated at that sentence everyone looked scared and yelled at will for saying a demigod was smarter the the queen of gods "now she'll cruse the camp again¡!!!" A camper said but nothing happened then a voice spoke in my head 'young demigod your quest is about to begin' well isn't that great
{time skip}
"And this is our cabin" y/n says pointing at the Poseidon cabin "wait our ?" I asked "oh yeah I forgot" she looks me straight in the eyes and says three words I'll never forget in my life "I'm your half-sister !" .