Raiden Ei is the god of Inazuma and the Electro Archon. She is the strongest in Teyvat so no one can defeat her. Miko always exudes an air of mystery around her as Guuji at Narukami Shrine. As a kitsune and youkai, Miko is very mischievous, while also being a Guuji and the owner of Yae Publishing House. She combines this mischievousness with an impressive ability to manipulate and read people. Miko is Ei's only friend still alive under the influence of time.