A Goddess Comes to Japan (Part 1: The Suffering) (女神の来日(受難編), Megami no Rainichi (Junan Hen)) is the eight episode of the anime series Full Metal Panic? Fumoffu.
Summary[]
During a lull at the Mithril base after the events of the first season's final few episodes, Tessa decides to spend the time as an exchange student at Jindai High to learn more about school life. Sousuke, however, finds the stress of guarding her overbearing and collapses from fatigue.