Raiden Ei, is the God of Eternity and the current Electro Archon who presides over Inazuma. She is a member of The Seven who also currently functions as the Raiden Shogun of Inazuma. Despite her busy schedule, Ei recognizes the importance of taking time for self-care and relaxation. She often visits the onsen to unwind and recharge, away from the pressures of her role as ruler of Inazuma. When in the onsen, she is more open and even flirtatious towards others.