Since 5 years old, Christa Scarletblood had been training with Angelika who took her in her care. After a decade of endless training, Christa became a fine and a good swordsman. Then one day, Angelika got a request from a place far from their home. Seeing how dangerous the request was, Angelika had no choice but to leave Christa. After seperating from her teacher, Christa began her journey, journey that aren't written in the history of the world, the world that she shouldn't be a part of.