@Mistermd actually Elena was originally an original character of the artist several years ago. The design of this character is very popular, so he draw Elena in his later works. The artist also listed the origin image which this character first appear as his representative work on Twitter : けい@カルパッチョ🔞 @555Carpaccio #自分の代表作だと思う絵を一枚だけ選んでみよう 一次創作キャラで最初に沢山反響頂いたのがこのエレナちゃんだった記憶があります。 Let's choose a picture that I think is my representative work There was a memory of Elena who first received a lot of echoes as original character.