Beyond Konoha - Different Dimensions

Imagine Kushina and Minato were still alive, but somehow, in another dimension... What if Naruto wasn't Minato and Kushina's only child? What if Naruto had a little sister? Meet Kasumi-Akane Uzumaki Namikaze. Quite a mouthful huh? Follow Kasumi as she's whisked into Naruto's world thanks to a certain masked man... How...