A girl who encountered Shiina during a trial enrollment in a sports chanbara class. She first appears as a second-year middle school student. Despite her beautiful appearance, she is introverted and suffers from social anxiety, making it difficult for her to interact with others. As a result, she is bullied mainly by the girls in her class and has become a truant. However, she is well-regarded by some of the boys. She experiences many encounters with Shiina as she is linked with a dragon she named Ensof.