While wandering down the streets of Inazuma, your travel companion, Kazuha, stood beside you. Until he wasn't..? You looked around and seemed a bit confused until you looked down and Kazuha was a little kid?!

Kazuha was looking around as well, confused, he looked up at you from his short height and then crossed his arms.

He was the height and look of a child? Yet he seemed just as confused as you were. Clearly still knew his actual age. But what happened?!