Payback

If Payback is the kind of BL that stayed with you long after the credits rolled, Double HELIX is well worth adding to your watchlist.

Both series are driven by intense chemistry and a relationship that develops through constant tension, emotional conflict, and undeniable attraction. Instead of relying on instant romance, they build anticipation through charged interactions, lingering eye contact, and moments where the characters seem to say more with their expressions than with words.

Another similarity is the emotional complexity of the leads. In both stories, the protagonists are layered individuals whose growing trust and vulnerability make the romance feel authentic and rewarding. The push-and-pull between them creates a compelling dynamic that keeps every encounter engaging.

Visually, both dramas embrace a polished, cinematic style, using thoughtful framing, lighting, and close-up shots to amplify the emotional impact of key scenes. They strike a balance between romance, drama, and character development, making the relationship the emotional core of the story.

If what you loved most about Double Helix was the slow-burning tension, magnetic chemistry, emotionally charged interactions, and cinematic presentation, Payback (2026) delivers many of those same strengths while offering its own distinctive story and characters.

- one main had to get involved with the mafia and became a loan shark and his love interest is an equally morally grey enemy and they have prior history
- there is some revenge and rival team up undercover work
- it's dark, contains action scenes, betrayal and violence
- dips into the entertainment business at times (Payback a lot more)
- enemies to lovers

both have themes like
- mafia
- money problems
- loan sharks
- death of family member
- main(s) who has fighting skills
- entertainment business (acting for Payback, boxing fights for Knock Out)
- an ex who caused problems and is now a rival
- enemies to secret lovers
- action and fight scenes

both have in common:

- main character named Sun is involved with the mafia / underground gangs
- people he loves get killed
- he swears to take revenge on those who are responsible
- infiltrates the rivaling side to do that
- but gets romantically / sexually involved with someone in there
- both mains are depressed and suicidal in both shows
- but help healing each other, very delicious hurt / comfort
- very rough, dark, violent, not holding back, (both contain sexual assault scenes)
- have a few neat action / fight scenes
- secret, forbidden relationship and yearning for what they can't have
- main has an ex and the parting was very painful (for different reasons)
- main couple are equally strong, physically and in fight skills
- (fr)enemies to lovers
- very graphic, insane sex scenes


differences:

- PayBack takes also place in the film industry with shady, illegal elements
- main couple starts with power imbalance and sexual favors (so far based on episode 1 and trailer)
- Bangkok Boy stays in the mafia realms

- Both are dark BL romances, not light or fluffy love stories.
- Both center on emotionally damaged characters shaped by trauma.
- Both explore obsession, control, revenge, and emotional manipulation.
- The romance in both feels dangerous rather than comforting.
- Both use power imbalance as part of the relationship tension.
- In both stories, the main relationship begins with conflict, mistrust, or manipulation.
- Both male leads are morally gray, not purely good or innocent.
- The past plays a major role in both dramas; old wounds keep affecting the present.
- Both show love as something that can become destructive, addictive, and complicated.
- To My Shore focuses more on obsession and emotional redemption.
- Payback focuses more on revenge, betrayal, and survival.
- Overall, both dramas share the same intense “toxic attraction” vibe.

Both are:
-BLs
- has one of the main characters doing boxing and becoming part of who they are.
- they have this gloomy, gritty and sad feeling to them, but never becoming truly hopeless, because you just know things will get better.

Both are:
-BLs
- both of them have toxic elements like living in a world where power can destroy lives.
- the main characters lovein both dramas, is obsessive, driven by selfish desires, lust and desperation.
- the two dramas has a really similar feeling to them.

Both are similar because it story revolves around film industry and sponsorship issues.
Both male leads wants revenge
Both male leads get helps from higher position male leads..
Their chemistry soo good ?

Both shows have in common:
- are BL
- about actors, film industry and filmmaking
- falling in love within the industry and it's difficulties
- damn beautiful and clever cinematography and visual storytelling
- explicit NC scenes
- some kink here and there

differences:

Deep In is about well seasoned actors and the characters they play in a gay movie. How they get closer on cam, off cam and on set while reality and fiction melts into each other. Which they both, as assumed straight guys, struggle with a lot. It feels really like watching RPF where BL actors fall in love for real.

Payback is about a guy who wants to take revenge on his evil ex who ruined his life, who is now a popular actor. So he wants to dethrone him no matter what he has to do for it but starts with 0 knowledge about acting. It's less about acting but more about the film industries dark and ugly sides. But still has a lot of beauty and love in it. The main gets involved (and falls in love) with someone powerful and influential within the media company who helps with his revenge.