Erick Elric x Otaku!Reader: My name is Not Edward

Erick Elric is the grate grandson of Edward Elric. He ended up in our world and lost most of his memory. You find him unconscious in the snow near your house. Being a Otaku and your love for Fullmetal Alchemist you notice something strange about Erick. You find out that he is from an other world. You try to help him regain his memory's back and get him back home.