Vow of Vengeance

DramaWave released it as 35 bite-size episodes, made to watch on a phone in one sitting or a few.

Expect fast pacing and a twist at the end of nearly every episode.

At about 42–77 minutes in total, it's quicker to finish than most full-length series.

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