DRV3 Canon AU. Their fates were sealed the moment he moved that bookcase. But what if he never did it? Oblivious to his own talent and in possession of a perk he doesn't understand, Rantaro doesn't know who to trust or where to look for answers. Feeling lost, he desperately seeks the light at the end of the tunnel... only to find a certain piano freak. Amamatsu. Slow burn/Fluff.