The Unrivaled Heiress

Violet Sinclair, a sweet, obedient girl in her grandfather’s eyes, is secretly the powerful leader of the Nightwing Order abroad. When her gravely ill grandfather summons her home and arranges a marriage with Cameron Sterling, she reluctantly agrees to fulfill his final wish. However, the arrogant playboy Cameron tries to control her and seeks revenge after being humiliated.

FunDrama released it as 63 bite-size episodes mixing revenge, billionaire and marriage drama, made to watch on a phone in one sitting or a few.

Watch it for the slow build to a payback that lands hard. On top of that: the hidden-wealth reveals and the people who misjudged the lead.

The whole series takes roughly 1–2 hours, so it's an easy binge.

Press play on episode 1 and DramaNext moves on to the next one by itself. No account and nothing to install.