Tamayura : Mitamaokuri no Uta [JP]

Touma busily lives everyday with Kasumi and Nami. One day, they receive an offer. That is to exorcise a monster. And they go hunting at night as usual. But, the monster is too tough to beat, and Touma and Kasumi get injured. Nami tries to beat it up by herself to protect Touma and Kasumi, but she is defeated...