Edit
Artist. Mostly posts Touhou and Touhou yuri artworks on their personal site, but draws a wider variety of things on other sites.
Name: ヨハネ (Yohane)
Circle: 青 (Ao)
Home Page: http://sangensei.okoshi-yasu.com
Pixiv (current): http://www.pixiv.net/member.php?id=10430161
Twitter: https://twitter.com/Itumade3
Secondary Twitter: https://twitter.com/YfJohanne
Yohane had a pixiv account under the name E・八不 (E-Habu) specially for not-safe artwork, which was deleted.
Old Pixiv (deleted): http://www.pixiv.net/member.php?id=22415