Life insurance lady's carnal entertainment

Mai, an insurance salesman, is a perverted saleswoman with excellent grades who is willing to offer naughty optional services in order to get a contract. Mai exposes her beautiful naked body for the sake of her customers and serves them until they are completely satisfied. However, one day, when she was giving a blowjob at a place she visited as usual, a mean customer broke the contract. And then he is imprisoned and humiliated...