Originally Posted by
Tenhou
I haven't played on the JP side but from what i know for awakening you need:
-Full affection
-Max level
-Gold or higher
And also max skill level if you want to change the skill for some of them. Note that they are different, but you need to awaken the character to be able to awaken the skill afterwards.
If you want to awaken a unit you need:
-3 appropriate gold units or CC'd silver units, depending on what class your character is
-An awakening spirit sold at the trading post.