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After losing his family when he was young, Nam-soon feels no pain. He cannot feel physical pain and is emotionally barren until he meets Dong-hyeon, who calls herself a vampire because she suffers from hemophilia. Unlike Dong-hyeon, when Nam-soon is injured, she bleeds from even the smallest wound. As the two grow closer, Dong-hyeon suddenly begins to lose his lifelong insensitivity to pain and the hurt of a lifetime washes over him.

How to Watch Pain Legally and Safely

If you want to stream Pain through reputable and legal services, there are a few good options depending on where you are. Subscription platforms like HBO Max, Disney+, Netflix, Amazon Prime Video, and Apple TV+ sometimes carry Pain films or related DC titles—though availability depends on your country.

If you’d rather not commit to a subscription, there are ad‑supported, free (but legal) platforms such as Tubi, Pluto TV, Peacock or Crackle (where available in your region) that occasionally host superhero films.

Lastly, don’t forget about library‑linked streaming options like Kanopy or Hoopla (if your library or university is registered), and official uploads by film distributors on YouTube—these can also give you legal access to classic movies.