What is "nakoruru"

is a fictional character in the Samurai Shodown (Samurai Spirits in Japan) series of fighting games by SNK. She is one of the series' best known and most popular characters alongside its main protagonist Haohmaru, and has been introduced in the original Samurai Shodown in 1993. Nakoruru is a good-hearted, young Ainu shrine maiden who loves nature and fights evil with the help of her hawk sidekick Mamahaha. She has a younger sister named Rimururu and an aggressive darker side alter-ego known as Rera. As one of SNK mascot characters, Nakoruru has also appeared in many other games and other media.