Yoku Wakaru Gendai Mahou Episode 4 English Subbed Episode Title:Jini.Episode Description:Yumiko has Misa examine the airport computer where she found the daemon. Misa finds that someone else modified one of her codes to create the daemon. Misa, Soshiro, Koyomi, Kaho and Yumiko go the local water park for what seems like a break. While there, Misa talks to another modern mage, Gary Huang, who tells her that person who modified her code is dead. The group also encounters a jini in the water who has been playing pranks on the water park customers. They decide to track down the jini to put a stop to the pranks before someone gets hurt.