Kyonyuu Onna Senshi Dogeza Saimin by Lune (Jap)

An isolated island floating in the ocean.
There was an arena (arena) where the proud fighters gathered from all over the world.
At the arena, registered warriors are ranked and their position as warriors is determined.
Armed prides heard the rumor and participated in it, and with more than a hundred people now being held, many countries have been ranked as mercenaries and regulars based on their rankings.
At the top of the arena rankings, the young female warrior is now named.
Combining sharp swordsmanship and healthy beauty, she will reap the ranks of warriors and promise her the foremost wealth and honor.
... and then.