Extracurricular — Characters & Cast

Desperation to earn tuition and afford an "ordinary life."

Begins as an invisible, timid honor student running a cold criminal empire; disintegrates into panic, physical ruin, and moral damnation.

Escaping the suffocating pressure and expectations of her elite parents.

Starts as a manipulative, wealthy socialite; develops into a reckless, hardened criminal partner who embraces chaos to escape parental control.

Seeking affection, expensive gifts for her boyfriend, and emotional validation.

A delinquent high school student working in compensated dating who relies emotionally on "Uncle"; descends into trauma, betrayal, and fatal confrontation.

Dominance, social status, and vengeance for Min-hee.

Evolves from a swaggering high school tyrant living off Min-hee into a vengeful, lethal force willing to commit murder once his pride and girlfriend are destroyed.

Financial survival and an unspoken paternal duty toward vulnerable youth.

A homeless ex-convict who acts as Ji-soo's muscle; transitions from a purely transactional security guard into a tragic guardian figure who meets a violent demise.