I'll go on as addable.
kas-ka Gan // Female.
Also, I don't know if this counts as citation:
Achievement Guide
Or slightly edited quote from the section:
Quote:
Ultimate Player
blahblahblah......
How to get this: Have 50 total friends, with at least 25 of them being the opposite gender to your avatar. You may need to add one more friend to trigger this achievement. This is a hidden achievement - it will not show up as 'available' on your achievements page even when it is unlocked and available for you to earn.
Unlocked by: Befriended