Yuna's level 5 is completed with the main quest that asks you to raise Yuna to level 5. You raise Yuna to level 5 -> sleep at night -> the whole level + main quest happens -> talk to Maria the next day in the morning -> main quest and Yuna's lvl is completed.
or have you raised Yuna's level to 5 and the main quest that asks you to level up Yuna hasn't been updated? If this is the case it could be a bug and I would have to check it.
Yes, after several reports of very similar problems with Yuna I had to stop everything, check it, and fix it. I'm uploading a bugfixes version right now...
