Kakugo and Harara are siblings trained to fight the monsters roaming in post-apocalyptic Tokyo. 21st century. To aid them, Kakugo and Harara were entrusted with “Fortified Armor Shells”, exoskeletons forged from the souls of deceased warriors.
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The following includes thoughts on the anime and another link to a full review at the website Videotape Swapshop - http://regionincognito.blogspot.co.uk/2013/06/anime-18-review-link-apocalypse-zero.html
I enjoyed the outlandish first part of this bizarre and energetic OVA. The second episode was a bit too talky and unsatisfying to make it worth checking out, regardless of a grotesque giantess and her face eating charms.