Thunderbolt Fantasy

Thunderbolt Fantasy: Touriken Yuuki (Thunderbolt Fantasy 東離劍遊紀) is a manga series by Yui Sakuma. It was serialized in Morning.

Plot
In an ancient kingdom, a vicious warlord is on the hunt for a magical sword. Forced to escape his soldiers, the young girl who guards the sword is hunted until she receives some unexpected help from a pair of odd strangers.