The system makes me a licking dog

Introduction: Ning Yuan is a university security guard. After failing to pursue a girl, he activated the dog licking cashback system.The operation is simple, as long as you spend one dollar for licking a woman, you will get one dollar back.So Ning Yuan started his super dog licking career.Relying on licking, he bought a villa, ordered a luxury car, and became the most mysterious super rich man in Linhai City.A certain school belle: "Brother Yuan, come to play tonight~" A certain former school belle: "Brother Ning, my best friend is away on a business trip, and I'm so scared to be alone at home..." "I'm afraid of a hammer, I've already licked my hand, you are good for me!" Picking up girls?No!Ning Yuan only wants to be a licking dog, and only wants to make money!