The series features depictions of sexual situations, infidelity, and partial nudity. These scenes are integrated into the narrative to depict the moral decay of the antagonist characters.

The show contains graphic, disturbing depictions of severe physical bullying, torture, and realistic injuries. These scenes are highly intense and central to the show's dark premise.

Strong language is used frequently throughout the series, often during intense confrontations. Examples include frequent use of 'f*ck' (used in anger), 'sh*t' (used in frustration), and various derogatory insults directed at others.

Characters are frequently shown drinking alcohol and there are significant plot elements involving drug dependency and addiction. These substances are consistently used to highlight the characters' destructive behaviors.

The series is exceptionally dark, focusing on psychological trauma, prolonged bullying, and the misery of the protagonist. Viewers will find the themes of vengeance and suffering deeply distressing and emotionally heavy.

The production emphasizes the lifelong impact of victimization, though the primary focus on vengeance largely overshadows traditional moral growth or constructive conflict resolution.

Characters primarily operate through moral ambiguity, driven by trauma or sociopathic tendencies rather than admirable behavioral displays or positive societal contributions.

The cast reflects contemporary Korean society through a lens of extreme class stratification, though the characterizations focus heavily on archetypal antagonists and calculated social climbing.

Exposure to this content provides a harsh depiction of the severe consequences of systemic bullying and the psychological toll of unresolved long-term abuse.