College girl Xiao Kui falls for clubmate Wuzhi and starts dating. He's a sadistic S-type! During sex, he chokes her neck, deepthroats till mouth explosion, makes her swallow hot cum obediently. It escalates: shoves vibrator in her dripping pussy for walks, orders her to seduce strangers and fuck them raw. Wuzhi's twisted lust surges, Xiao Kui's body sinks into depraved ecstasy...