Special
Sekai de Ichiban Tsuyoku Naritai! Specials
Sekai de Ichiban Tsuyoku Naritai! Specials
5.77 Finished Airing 4m min Dec 12, 2013 to May 12, 2014
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Short specials included on the BD/DVD volumes of "Sekai de Ichiban Tsuyoku Naritai!"