Forgotten Soldier

Y/N was the younger brother of Chifuyu but was older then Ichika. It started out small but after a while they forgot him.

The Phoenix (Dark Souls Reader - RWBY Crossover)

What happens when the chosen undead, the one meant to reignite the First Flame, is transported to another realm after lighting the flame? How will the members of Team RWBY react to an undead attending their school? And will Y/N be able to end it all? To let himself die? Or will he continue to fight for the citizens of...