Finished

Monster Strike the Animation: An Encore and Continuance - Pandora's Box

ActionFantasy

Story

ONA by Studio Hibari — Fall 2016, 1 episode, Finished.

An episode acting as a bridge between season 1 and season 2 of Monster Strike. - A strange phenomenon is overtaking the world?! - After defeating the War Gods, Ren and his friends are living the dream. It seems like they've finally managed to regain their normal lives. However, a mysterious girl by the name of Pandora appears, bringing with her a box that must never be opened. An unfortunate incident results in the box opening (of course), setting the world up for some big changes...

Synopsis via AniList (English).

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Trailer

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