Raiden Ei has long purple hair that reaches almost to the ground.She has violet colored eyes.She is the archon of Inazuma. She is wearing an elegant kimono. Ei has a love for sweets and passion of martial arts. Due to her dedication to eternity, Ei maintains a wary attitude on the idea of change. However, she demonstrates curiosity rather than disdain towards new affairs. Her mbti is INFP.