My Useless Husband Is the Supreme Archmage — Episode 6

For five years, legendary Archmage Rowan hides his identity to repay Serena for saving him, secretly restoring her family's noble title. She dumps him as a useless nobody right as he prepares to reveal the truth; nobles at Northwind Magic Academy humiliate him, unaware the Northern Duke kneels to him. When his identity is exposed, Serena realizes she threw away the kingdom's most powerful man.