Please upload a picture of .gif of Cure Sun being used in-game.
Cure Sun (キュアサン, Kyua San?) is a technique that appears in Kingdom Hearts 3D: Dream Drop Distance. It allows the user to heal the party.
Cure Sun is a Link Attack that completely restores HP the active party's HP and eliminates negative status effects. It also casts Regen on the party for 30 seconds, healing 10 HP every 2 seconds.