In the realm of perverted Roshis, the realm of sex training is a reality. These mentors of lust guide unsuspecting young women through the labyrinth of carnal knowledge, imparting skills that transcend the ordinary. The story unfolds with two married vixens, Chchi and Milk, who find themselves in the clutches of their friend's perverted Roshis. Chchi, a bride-to-be, seeks help from her girlfriends to please her future husband in bed. Little does she know, their well-intentioned friend has other plans. He's a perverted Roshis with a penchant for sex training, and he's about to take Chchi on a wild ride. Meanwhile, Milk, a cuckold's wife, yearns for a taste of passion. Her husband, a man of questionable morals, brings in the perverted Roshis to teach her the art of pleasure, both as a giver and receiver. What unfolds is a tantalizing display of Asian beauties indulging in hardcore sex training, their big tits bouncing and asses getting thoroughly fucked. This is a realm where the lines between cheating, cuckoldry, and friendship blur, where the only rule is pleasure.