Artist, niconico video creator. Don't confuse this artist with Riyo (lyomsnpmp).
Niconico nickname: すまーとくっきー (SmartCookie)Idolmaster's producer name: すまーとくっきーP (SmartCookie-P)Pixiv nickname: 優等生 (Yuuyousei)Circle name: 蒼色万年筆
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