That Mysterious World ... / That Guardian of Aqua...In the first half of a two-part episode, after Akari suggests that between the stairs might be a gate to a parallel world, President Aria squeezes through and finds himself in world where the other characters are of the opposite sex. When he realizes what has happened, he begins crying and runs back to Aria Company to try to return home through the stairs. The male Alicia finds him there and tries tossing him in the air to cheer him up, then the female Woody takes him up in her air-cycle, but drops him. When President Aria comes to, he is back home...