Meet Kasha. If you've never seen her before, then click this link for the original that the artist posted.

Kasha is a Grandmaster of a kunoichi clan called, The Sakura Striders. In the HyBryD series, she's one of the oldest characters alive who has physically seen the changes in the world. She's usually known as "Mistress Kasha", "Mama Kasha", "Kasha-sensei", and "The Cherry Blossom Brawler". Despite her incredible skills in stealth, she's also got immense strength under her belt. She doesn't practice any martial arts, but the art of pure, unadulterated combat. In the series, she's one of the best hand-to-hand fighters, never really losing a brawl when she's at her best.

She's also taught a number of characters in the series the art of combat - not just her girls in the clan.