Zetsuen no Tempest Episode 20 English Subbed Episode Title:Who Did It?.Episode Description:By the same method she used to travel from the past to the present, Hakaze returns to the past on the same island where she was left stranded and makes use of the offering left there by Samon to return to civilization. Just a few hours left before the time of Aika's death, Hakaze meets with her by chance and much to her astonishment, she learns that the original Mage of Exodus is none other than Aika herself.