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What episode is this from? There isn't one listed as a source.
Yeah my bad I forgot,it's from episode 48.
atsushi wakabayashi was AD for this episode - this scene looks like it was extensively corrected by him so I think the tag is worth leaving but key frames probably belong to one of the other four animators.

edit: it's actually a confirmed (NC)
As kViN said, it's kinda useless to put NC if he's credited as AD. He probably redrew the scene or something else, which is basically his job as AD.