Manami Kusunoki

She ties with Satomi as being the youngest entrant in the tournament, at age 16. Though she looks, acts, and dresses more juvenile. However, she's well aware that she's outmatched by the competition, which is why she has absolutely no intention of fighting to begin with. Instead, she plans to cheat her way to the top by tricking others into fighting her matches for her.

(Source: TV Tropes)