Kieli, Vol. 1 (manga)

Kieli sees ghosts. It's an odd ability for a 14-year-old girl, and it makes her a bit of an outcast at her boarding school. Her only friend, in fact, is the (semi-) departed spirit of a girl who used to inhabit her room. That is until the two encounter a young man who appears to share Kieli's "gift." It doesn't take long to discover, though, Harvey is an altogether different sort of creature - one of the infamous Undying, the reanimated corpse of a dead soldier. Could it be that in this cursed fellow Kieli has finally found a kindred spirit? Throwing in her lot with this strange, soulless man and his possessed radio, she means to find out...