Never Betray Me Twice

DramaWave released it as 59 bite-size episodes mixing revenge, made to watch on a phone in one sitting or a few.

Watch it for the slow build to a payback that lands hard.

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

Start from episode 1 below; autoplay takes you to the next episode when one ends, and nothing needs a sign-up.