She's brainwashed by a necklace and thinks she's performing ballet. She looks happy because she is popular with the audience.
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I was impressed by the bass night dance this time, so I made the four main characters of RWBY dance the bass night dance.
Ruby and weiss are made of hentai concept and Blake and Yang are made of bondage concept.
There is a limit to uploading at once, so I will upload it quickly with a time difference.