Grenda-san is the more sophisticated member of her team and is generally friendly and unfussy. However, she has a sadistic and vengeful side where she has thoughts of punishing people in embarrassing ways when they have wronged her or her friends. Her thoughts are so horrific and repulsive that Pikadron recoiled out of her secret weapon to reveal Grenda-san's innermost secret. Grenda-san is a big fan Rhine X especially of Rhine X1