Once upon a time, there was a tragic war, in which the power of the devils was involved. After the war, the devils' power was banned and the world was restored to peace. Cecily Campbell is a knight, who has been looking for a blacksmith to repair her old sword given by her father. One day, she saw a man fighting with a ruffian who used the tabooed devil's power. The man defeated him with one blow of his weirdly shaped sword. The man turned out to be a blacksmith called Luke. The fateful encounter was the beginning of the adventure.
Mixed bag. This could have been good, with the underlying story being highly interesting. The whole excecution of the story is unfortunately, horrific.
The flaws in the storyline mainly lie with the protagonist. Cecily as the main lead has shown growth but this is unfortunately obscured by her annoying personality(i hate this kind of characters...). The way her "talk"(sheesh) sequences were done was extremely off-putting, and her jarring voice made things even worse(AGGHHH). This links to the lack of a logical flow to the storyline whenever it involves Cecily. One evening, she's in a life-threatening battle, the next day she's smiling at her potential killers (twice...same people, same arc!). Another example is excessive, irrelevant chatter during battles. It's as if her speaking has a "freeze" effect on the enemy (yea right!, whatever).
The supporting main characters, Luke( why didn't luke got the position of lead...you never know), Lisa and Aria were highly pleasurable and fun, each having rather interesting backstories as well as a good source of laughter. They fulfill their respective roles excellently.
The art/Animation was average>good, with the use of an eye-pleasing palette. Afterall, I started watching after seeing the nice art at the (kinda the style of k-on if you ask me). The girls were either cute or hot, depending on age! The monsters looked ugly but aren't monsters supposed to be ugly anyway? The animation sequences during battles were very well done. It's a shame the battles had to be rushed in a short, 12-episode series.
The Sound is very good and it is a pity because of the lackluster storytelling. The OP seems to have split people but I felt the beat and tone was a good fit. The ED is just awfully cute, and expresses Lisa as a character very well.