Artist, Niconico video creator. Don't confuse this artist with Riyo (Lyomsnpmp).
Japanese name: 優等生 (Yuuyousei)
Other names: すまーとくっきー, すまーとくっきーP
Circle name: 蒼色万年筆
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Yuutousei
1 posts1 sourceWiki updated 2/22/2022
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Yuutousei Gallery
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