Warrior knight:book 1

A child is found by the guild of knights from the past. It is soon discovered upon the child's back, she possesses a knight trigger, a seal that allows the bearer to take on the armor of a knight and a special power related to their trigger. However, this trigger has been mostly removed and a large scar in the shape of the trigger. The head knight manages to activate a small portion of the trigger, after revealing the trigger is a grand knight trigger. However, the knight who is summoned in a lesser body(of an age of 14), named ceslai, is not very happy with being forcefully awakened by her old (girlfriend) combat partner. Ceslai and the girl must share one body and learn to coexist to defeat a long forgotten evil. 2 others bear her other aspects, such as physical form and wisdom. She must also not lose herself, and may even discover her own knight trigger.