Artist, mangaka.
Japanese name: ぐすたふ (Gustav)
Circle & site name: てろめあな (Telomere NA)
https://www.pixiv.net/users/615
https://www.pixiv.net/stacc/gustav
https://twitter.com/telomereNA
https://twitter.com/intent/user?user_id=125029784
https://fantia.jp/fanclubs/2262
https://sketch.pixiv.net/@gustav
http://teromere.blog.fc2.com
http://twitpic.com/photos/telomerena