The Holy Red and Blue Fruitloop {An FMA and Percy Jackson FanFic crossover}

Sisiters Edina Elric and Alliephonse Elric have somehow been transported to the Percy Jackson world, and Characters Nicole and Luna/Artemis have been transported to the FMA world. Edina and Allie meet Henry and Eya while in their world. Them trying to get home and Henry and Eya trying to get Henry's sister and Luna home wait for the right moment to re-open the portal. But in the mean time. All they have to do is wait.
descriptions of characters:
Allie: A giant suit of armor, 7-8 ft. tall and a bow on top of head. Actually 14 years old (a genderbend)

Edina: 15 years old, blonde hair always in a braid, wearing a black tank top, black jacket and then a red coat on top. Golden eyes and short but very touchy about her height. (a genderbend)

Thalia: Wears a black studded cardigan with a purple t-shirt underneath. also wears black leggings and studded black combat boots. She has black hair with purple highlights and blue eyes.

Eya: wears a black seahawks jersey, jeans, and sneakers. Also wears a red hat always backwards. She has hazel eyes and her hair is an almost blonde light brown. (an oc)

Henry: he has brown hair that sweeps to the side, he has black eyes and wears a t-shirt (any color) and jeans. (a genderbend)