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Wanna Be the Strongest in the World Specials

Wanna Be the Strongest in the World Specials

R+
HD
Special 4 min
Short specials included on the BD/DVD volumes of "Sekai de Ichiban Tsuyoku Naritai!"
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Date aired: December 12, 2013
Country: Japan
Scores: 5.6
Premiered: Fall 2013
Duration: 4 min
Episodes: 6
Studios: Arms