The Heiress Above the Clouds

It runs 55 short episodes on DramaWave and leans on billionaire tropes, with each episode ending on a hook.

The draw here is the hidden-wealth reveals and the people who misjudged the lead.

At roughly 1–2 hours 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.