(23 May 2013 - 03:57 AM)@somkun DemonGoddess sets those up. What it is quite literally is an account separate from both your individual accounts. You'd make an email account for it, and if you like, you can both have access to the email and the profile. It's been done for others here before, and the advantage is that you both can access and edit the work as needed.
(23 May 2013 - 03:46 AM)@somkun What you need to do is to email us and give us the links to both profiles, and let us know that you're planning on posting the co-authored work. We need to know who will post it, and get permission from the other author for that.