My Stoic Professor Is Actually a Mafia Don

Art‑restoration student Jules accidentally stumbles into an underground club while delivering a painting. She witnesses her respectable criminal‑psychology professor Arthur executing mafia business, discovering he is the feared Cross‑family Don. Forced to work as his assistant, she gets dragged into bloody gang conflicts. A ten‑year‑old secret ties their fates together. Amid danger, suspicion and enemies’ plots, complicated romance blooms between them.