Artist.
Artist name: u
Pixiv ID & Twitter ID: uewtsol
Circle & site name: 非統一原子質量単位
https://www.pixiv.net/users/91818
https://www.pixiv.net/stacc/uewtsol
https://twitter.com/SPUTNIKU
https://twitter.com/uewtsol
https://twitter.com/intent/user?user_id=53655069
https://twitter.com/intent/user?user_id=265865603
https://sketch.pixiv.net/@uewtsol
https://sputniku.tumblr.com
http://twitpic.com/photos/SPUTNIKU
http://twitpic.com/photos/uewtsol
