Do I need to download an app to watch After Being Abandoned by the Alpha, I Took Away His Heir?

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

After Being Abandoned by the Alpha, I Took Away His Heir — Watch Free (12 Eps)

Name: After Being Abandoned by the Alpha, I Took Away His Heir
Genre: Counterattack

Where can I watch After Being Abandoned by the Alpha, I Took Away His Heir online for free?: All 12 episodes are free on dramatap and play straight in your browser — no app download and no account needed.
How many episodes does After Being Abandoned by the Alpha, I Took Away His Heir have?: 12 episodes in total.
Do I need to download an app to watch After Being Abandoned by the Alpha, I Took Away His Heir?: No. It plays in any mobile or desktop browser, so there is nothing to install.