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A mysterious organization hides behind a legitimate front while operating on a supernatural level, condemning ordinary people. Spyder Human Resource Center runs the exact same playbook perfectly normal office on the outside, pure hell on the inside.

Hyeok Jun takes the job because he's drowning in debt and sees no way out same driving force behind Liar Game's protagonist, who gets pulled into a dangerous game out of financial desperation. Both characters realize way too late that the system they walked into is far bigger and far more dangerous than it ever let on.

A protagonist steps into what looks like a completely normal environment, only to slowly uncover that something sinister and organized is running underneath it all and everyone around him already knows.

The parallel is straightforward: Hyeok Jun is drowning in debt and takes the job out of pure financial desperation same exact logic as Squid Game, where broke people say yes to an offer that's too good to be true, only to walk into a deadly trap. Both shows hit hard on South Korea's wealth gap and class inequality.

Hidden double lives drive the tension in both stories, where seemingly normal students or individuals are involved in secret actions that slowly spiral out of control.while Extracurricular leans more into crime, survival, and real-world consequences, Notes from the Last Row focuses on psychological manipulation and intellectual tension within an academic setting

Both focus on a struggling writer whose life changes after mysterious people enter his isolated world and become the source of inspiration.
The difference is that Million Yen Women leans more into existential mystery and passive observation, while Notes from the Last Row is more psychological, obsessive, and centered on mentor student tension.

both are based on the same real life hwaseong serial murder case, but they explore different phases and perspectives of the story.

written by the same writer, this one explores the weight of adult responsibilities and deep human connections, with characters struggling with failure and loneliness. like the new drama, it really digs into emotional introspection and people facing their insecurities head on.

the focus is on fulfilling final wishes and turning goodbyes into moments of emotional reconciliation

Human experiments / scientific cruelty

Both involve testing on humans that leads to death.
The difference is the motivation: in Mouse, it’s scientific curiosity and psychopathy; in Bloody Flower, he claims it’s “to save lives.”

Walking on Thin Ice is about an ordinary wife who gets caught up in crime because of life’s problems. In A Model Family, a college professor ends up working for a drug cartel to save his family. Both are regular people pushed into dangerous situations.

Bedevilled (2010) is a must watch film if you enjoy psychological thrillers with complex female leads. The story follows Kim Bok-nam, a woman who suffers abuse and injustice on a remote island, and her transformation into someone ruthless and dangerous is simply fascinating. Every action she takes ramps up the tension and keeps you glued to the story, unable to look away. It’s different from Queen Mantis since it’s a film, but the suspense, intensity, and the way the protagonist dominates every scene make it just as impactful."