Infinite Stratos Season 2 Episode 4 English Subbed Episode Title:The Mysterious Lady.Episode Description:Reiko unleashes the Arachne, revealing herself to be Autumn from the underground organization, Phantom Task. After restraining Ichika, Autumn reveals that it was Phantom Task who abducted Ichika during the Second Mondo Grosso while she forcibly attempts to take the Byakushiki. Cecilia and Lingyin engage M using the Silent Zephyrs in the sky, while Tatenashi uses the Mysterious Lady, equipped with water manipulated in all forms by nanomachines, to engage Autumn in the locker room. As Ichika pursues Autumn outside, he is intercepted by M, who successfully deters him. M and Autumn retreat before Houki, Charlotte and Laura join in the fight...