Based on Pixiv tags and the wiki for the copyright in question, this character is from a game called "あいこん47都道府県アイドルコレクション". Not sure how that's romanized...
Based on Pixiv tags and the wiki for the copyright in question, this character is from a game called "あいこん47都道府県アイドルコレクション". Not sure how that's romanized...
According to google translate it's "Aiko n 47 todōfuken aidoru korekushon", which it roughly translates to "Icon 47 prefectures Idol collection".