Houjouin Masako

A mercenary who enters the competition with the selfish desire of winning the prize money and becoming fabulously rich. Although she practices no specific martial art, she is a master of using a number of weapons, which she keeps concealed until they are needed. Among her various arms are a knife, chain whip, guan dao, spiked mace, and a seemingly endless supply of grenades.
She is a hidden heroine which becomes playable by beating Normal Mode once.