Touch My Sister, Face the Mafia King

Dressed as a janitor, Kane attends his sister Evelyn’s engagement party, only to face bitter insults from her fiancé Dorian and his snobbish family. But when the city’s most powerful tycoons drop to their knees in absolute fear, the horrified Winstons discover the truth: Kane is the Shadow King.

GoodShort released it as 69 bite-size episodes mixing CEO romance, made to watch on a phone in one sitting or a few.

Watch it for the power gap between the leads and who ends up holding the cards.

The whole series takes roughly 1–3 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.