Yotsuya Kaidan is a famous Japanese ghost story that originated in the early 19th century. It tells the tale of Oiwa, a woman who is betrayed by her husband, Iemon, leading to her tragic death. The story explores themes of love, betrayal, and revenge, making it a classic in Japanese folklore. The narrative has been adapted into various forms, including Kabuki theater and films, highlighting its enduring popularity. Yotsuya Kaidan is often performed during the Obon festival, a time when spirits are believed to return to the world of the living, further emphasizing its connection to Japanese culture and beliefs about the supernatural.