The Seventh Son (The Owl House AU)

Not the author,Booker Bridges is an orphaned boy who wants to find his place in the world. Luz Noceda is a young girl who wants to live an exciting life. These two friends accidentally stumble upon a portal and befriend a rebellious witch and an adorably tiny warrior. Together, they'll become the witch's apprentices while remaining in the Demon Realm, seeking enlightenment.