This happens when you leave someone who enjoys the anime series Attack on Titan and who has some dancing skills alone in an empty room.

The Japanese edits and remixes of the powerful opening were already hilarious, but with this take, originally posted on NicoNico Douga, just reached a whole new level. Crazy skills!

【涼宮あつき】Shingeki no Kyojin OP 進撃の巨人OP【踊ってみた?】[YouTube]

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