Aperture To Realm starts off with a 16 year old boy named Aran, who is just another ordinary boy, until, all of that changed after she met with a silvered haired girl named Raina. After she accidentally transported Aran to the strange dimension. Raina's home realm. Due to her mistakes of using her last powers before the crystal of realm broke. Aran discovers the kingdom of Altinda, in this strange realm, in order for him to go back to his realm, Raina and him have to go across the lands far from the kingdom to retrieve the crystal which withholds of realm transportation.