"Fushigi no Kuni no Succubus" is an adult-oriented anime series that intertwines elements of fantasy and eroticism. In Episode 1, released on May 26, 2023, the protagonist, Reto, inadvertently falls into a well and finds himself in a mysterious realm. There, he encounters a seductive succubus near a castle. Sensing danger, Louise, the daughter of the local queen, intervenes to assist Reto. The episode delves into their ensuing interactions, blending themes of allure and adventure. The animation is noted for its detailed character designs and immersive fantasy settings, enhancing the viewing experience.