No Game No Life
Sacrifice
TV-14
S1 E7 May 20, 2014 23m7.2
Intending to challenge the Werebeasts, the siblings discover that it's hard to come with a strategy to defeat the latter, as all memories regarding the games are erased from their challengers, until Stephanie entrusts Sora a key left by the former king, leading to his secret research on how to outwit them.
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