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Eri's decided to start using Appter. But it starts producing tweets without her knowledge... Meanwhile, a powerful Leviathan assassin attacks the team! Who will appear to save them in their most dangerous hour?!
First Air Date : Oct 01, 2016
Last Air date : Sep 30, 2017
Episode : 52 Episode
Season : 1 Season
Runtime: 24:14 minutes
Country: Japan