Do I need to download an app to watch TABOO DESIRES:My Step-Uncle's Forbidden Obsession?

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

TABOO DESIRES:My Step-Uncle's Forbidden Obsession — Watch Free (15 Eps)

Where can I watch TABOO DESIRES:My Step-Uncle's Forbidden Obsession online for free?: All 15 episodes are free on dramatap and play straight in your browser — no app download and no account needed.
How many episodes does TABOO DESIRES:My Step-Uncle's Forbidden Obsession have?: 15 episodes in total.
Do I need to download an app to watch TABOO DESIRES:My Step-Uncle's Forbidden Obsession?: No. It plays in any mobile or desktop browser, so there is nothing to install.