The Hong Kong Film Boss's Wife Ordered Milk at Midnight, So I Delivered It

[Hong Kong Films] + [System] + [Undercover]

Gu Feihong transmigrates into a Hong Kong Films world, becomes an undercover cop, and binds himself to a System that grants him a cheat ability.

Who cares about staying undercover? Staying alive comes first.

From the start, Marry, the big sister, tests him by rocking on a wooden horse.

Gu Feihong admits: “I really can't take this test!”

The big sister insists on riding the rocking horse every day, singing: “Daddy's... daddy's... daddy's brother...”