Do I need to download an app to watch After a Breakup, the Ex-girlfriend Makes a Stunning return?

No. It plays in any mobile or desktop browser, so there is nothing to install.

After a Breakup, the Ex-girlfriend Makes a Stunning return — Watch Free (30 Eps)

Where can I watch After a Breakup, the Ex-girlfriend Makes a Stunning return online for free?: All 30 episodes are free on dramatap and play straight in your browser — no app download and no account needed.
How many episodes does After a Breakup, the Ex-girlfriend Makes a Stunning return have?: 30 episodes in total.
Do I need to download an app to watch After a Breakup, the Ex-girlfriend Makes a Stunning return?: No. It plays in any mobile or desktop browser, so there is nothing to install.