Tashi Renre here, explaining the default quest all guild trainees must take in order to become a full time guild member.

Quest Details:
Default trainee quest, you must complete this to become a full-time guild member.
To clear this quest it's simple you must create your character, have it approved and purchase 1 piece of weaponry from the rp shop

Quest Reward:
5 Crystals
Quest Clearance:
Once you clear this quest your character will be listed here, some quests can only be taken once, others multiple times, if you are going to take this quest, reply in this thread that your character is accepting it.