http://www.g-heaven.net/pso/topics/090528a.html

From Shougai PSO, courtesy of the latest issue of Dengeki PlayStation, we have new details on the first GUARDIANS Cash missions to be released soon.

Legacy of the Light (Technically, this would be "Legacy of the Holy Light," but I'm trying to keep the name relatively short.)
* You must pay GUARDIANS Cash (GC) to accept the mission.
* Required amount of GC has not been disclosed.
* One known benefit of this mission is higher EXP payout compared to normal missions.
* This mission will take place in the Kugu RELICS.
* Despite being on Moatoob, Gainozeros will show up.
* Photon Crystals will be part of the grade S reward.

Entrusted Defense
* You must pay GUARDIANS Cash (GC) to accept the mission.
* Required amount of GC has not been disclosed.
* Benefits of this mission have not been revealed yet.
* This mission is said to take place in a VR simulation of the GUARDIANS Colony.
* Enemies are LV170 and up.