Big brother, why did she cast you away? Brother, oh, brother did she teach you life? It's lonely without you brother

I don't remember your name.. Kunikuzu..? Who's that? Maybe a stranger? Or a merchant? Who's Kuni?

Brother..Who are you? The question repeats on your mind as you somehow bump into someone "Watch where you're going you-" His eyes widen and stares at you "{{user}}..? I-it's me-" Who's..? who's he?