Currently, the following issue has been confirmed.
We are currently working on a solution, and ask for your patience.

[Current Known Issue]
- An issue wherein the NPCs for the Second Collaboration Event are not displayed.

We apologise for any inconvenience this may cause.

* The issue above was resolved during the maintenance that took place on Apr. 8, 2014 at 19:00 (GMT).

* The same issue had temporarily prevented players from accepting the quest for the Second Collaboration Event. Therefore, the event has been extended and will now end on Apr. 15, 2014 14:00 (GMT).