The Underworld King's Vow: All Episodes

66 episodes · Complete · Free in English · Billionaire

The Story

Jiang Xiaoyu shocks the underworld by saving Rong family Ninth Master with a Gatling gun. When her fiancé's nephew flees, Ninth Master annuls the engagement and claims her for himself. He swears to be the underworld king in public and her devoted slave at home, sealing their bond with a forceful vow of love.

Before You Watch

A shocking gunfight saves a powerful man, leading to an annulled engagement and a forced claim. The tension rises as he pledges to rule the underworld publicly while serving as a devoted slave privately.

Forced marriageDevoted slavePowerful male lead

Best for: Viewers who enjoy romantic comedies mixed with family drama and bold, unconventional relationship dynamics.

Mood: bold, romantic, intense

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