Notice: It appears that this producer has stopped producing works in relation to VOCALOID. While they may be available for contact, please consider reasons for why they may have stopped.
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Gragra is a specialist in 3D animation using Blender. He made two works that both became great hits. After he made his second work, he was contacted by Good Smile Company (the maker of the VOCALOID nendoroids), and something seemed to have happened. It is not known whether it was a good thing or not, but he has not uploaded anything new since.