"Injuu Kyoushi," also known as "La Blue Girl," is an adult anime series that blends elements of fantasy, action, and explicit content. Episode 4 continues the adventures of Miko Mido, a skilled ninja from the Miroku clan, as she confronts various supernatural challenges. In this episode, Miko faces formidable foes from the Shikima realm, leading to intense battles intertwined with mature themes. The animation maintains its dynamic style, emphasizing both the action sequences and the sensual aspects characteristic of the series. As the narrative progresses, Episode 4 delves deeper into the complexities of Miko's mission, exploring themes of power, seduction, and the supernatural. "Injuu Kyoushi" is intended for mature audiences due to its explicit content and is notable for its unique blend of eroticism and ninja folklore.