
this manhwa reminds me so much of the movie Triangle.

I don't know if you've seen it but spoiler Warning for Triangle!
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I had to use ChatGPT to describe this movie because I couldn’t figure out how to explain it coherently lol.
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Triangle is a psychological horror film that follows Jess, a woman who goes on a sailing trip with friends. After a storm capsizes their boat, they board an abandoned ocean liner, where strange and deadly events unfold. As Jess tries to survive, she slowly realizes that everything happening has happened before—and will happen again. The deeper she goes, the more she uncovers a horrifying cycle of violence, desperation, and inescapable fate.
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I think it's similar to this manhwa in terms of the general vibe and the loop thing.

How can we be so sure that Bada was actually an NPC and not an actual player turned NPC? What if Bada had been playing way before the group started and something happened which caused him to turn into an NPC? Him not being able to do any damage to the killer doesn't prove that he isn't a real player but idk how games work so I could be wrong.
We know that Bada doesn't have irl memories but it doesn't seem like anyone else in this game has them? They only talk about their memories in-game which I understand is their main focus but wouldn't something random info about themselves slip through during conversations? They have some kind of backstory when they're NPCs which I assume is just the game's script. We still know nothing about them irl.
What does the note that Doha ripped apart say?
Doha still has an unused key in his possession, I believe. Could it be the key to the last unexplored area in the map?
Could Bada have a duplicate tape like Yongtaek that has all his other memories?
What happened during the first playthrough?
Now that Doha knows that Bada is an NPC, escaping would be out of the question for him, right? This really makes me sad for Doha because it would mean he'd have to repeat this cycle forever unless they find Bada's OG tape and it reveals some kind of twist.
Has the artstyle changed or did they actually just become younger?