Choice of the Last

Hana is the last princess of the elves. She was given the task to protect her people from the humans who sought to kill every elf on the continent. But one day she will meet a young human girl named Shizuru. She is a girl that was captured by the elf guardsmen who were patrolling the area.

But one day the humans begun their assault against the elves. Hana was captured by the humans. But she was saved by Shizuru. After that they became good friend and she was given the honor of being hana's personal guard. What future awaits these two girls?