Claymore

A village is tormented by a Yoma, which is a demon that has disguised itself as a human it has eaten. As a last resort the Chief of the village has ask for the help from a Claymore, who are feared as they are half human, half Yoma. Raki is a young boy who has found an interest in the Claymore and he begins to follow her about until later when he discovers who the Yoma is.

It doesn't take much effort for Claire to quickly complete her job and so Claire and Raki are off while she waits for another job. A strange man from the organization comes to give Claire a new set of clothes but not only that, he also gives Claire a "Black Card". What does this Black Card mean to Claire? Raki later has an encounter with the same man from the organization, who explains to him exactly what Claymores are (half human, half Yoma).

Rabona the Holy City that does not allow the entry of unnatural beings is being preyed upon by a Yoma and as a last resort, have to disobey their own laws and called for help. So Claire now has a job to do but it will be different from the usual Yoma hunting, it's more of a covert operation and she has to suppress her powers to do so. During her searches Claire happens to run into 2 soldiers on patrol, but they only seem to get in the way of her job. After she manages to lose them, Claire faces the Yoma which happens to be an extremely strong one known as "Voracious Eater".

Claire becomes seriously injured in her fight with the Yoma and just before the Yoma could finish them off it is interrupted and quickly escapes. Claire is then taken back to the inn to recover from her serious injuries and Raki waits by her bedside hoping that she'll eventually wake up. Father Vincent decides to cooperate with Claire to help her find the Yoma but something doesn't seem right. Defeating the Yoma is the least of Claire's worries as she begins to lose control.

Another Claymore known as Teresa has appeared in a town where she quickly dispatches a Yoma, with no effort. She is well-known as for her nickname "Teresa of the Faint Smile" because she never releases her Yoma powers. In the town of Teo, as soon as she arrives there she ruthlessly attacks any Yoma she senses and after the massacre a girl with no name who was with one of the Yoma seems to be very attached to Teresa. This girl ends up following Teresa no matter what she did.

After naming the girl who was following her, Claire; Teresa is heading towards the town of Rokut to drop her off. At night while they are resting in the woods, the man whose arm was chopped off is back for revenge. It turns out that the girl was able to save her and not from the man but to save her lonely heart. Teresa later encounters the bandits but this time they have done something unforgivable which forces Teresa to do something unforgivable.