Hitori No Shita - The Outcast

Cho Soran leads a normal college student's life until he finds himself caught up in a horrible incident that happened in a small village. As he was walking through a graveyard, Cho Soran is attacked by zombies. Thinking that it was over for him, a mysterious girl wielding a sword suddenly saves him and vanishes. This strange encounter is going to drastically change the fate of our hero.