What it says on the tin - Noctis is a brat but no one dares punish the crown prince so Ignis is punished in his stead in front of him.
Noctis takes care of him afterwards, including finding a lotion to put on the marks, bringing him cushions, etc.
Bonus: + They're already dating/the relationship is new ++ Cor or Clarus does the deed and gives Ignis a hug after. +++ Ignis is bent over a desk or similar and Noctis has to watch every aspect of the punishment, from the implement (pref cane or a belt) raising welts on his boyfriend's skin, to Ignis's expression and the way he bits his lip to keep quiet.
What Noctis does is up to you, I just want to see Ignis get beaten and Noct take care of him after.
Noctis/Ignis, whipping boy hurt/comfort
Noctis takes care of him afterwards, including finding a lotion to put on the marks, bringing him cushions, etc.
Bonus:
+ They're already dating/the relationship is new
++ Cor or Clarus does the deed and gives Ignis a hug after.
+++ Ignis is bent over a desk or similar and Noctis has to watch every aspect of the punishment, from the implement (pref cane or a belt) raising welts on his boyfriend's skin, to Ignis's expression and the way he bits his lip to keep quiet.
What Noctis does is up to you, I just want to see Ignis get beaten and Noct take care of him after.