Bin Bin Shinshi

After all, this world is just men and women - putting in and taking out, thrusting and pulling, ahh, it's so troublesome!! Working overtime on the bed is so short that it makes me squeal. A horny office worker who does what he likes to the fullest, is he the one that office ladies long for? A salaryman sex specialist who will teach you how to use your hips. A (filthy) business manga by Mamiya Seishi!! Includes 9 stories in total: "Backdoor employment accepted", "I'll teach you how to break up with a woman", "Is it true that you can get promoted!?", "Leave employee training to us!?", "Love putter fortune telling", "I'll teach you how to make money", "I'll teach you how to have a fun New Year's", "Swap and up!?", "Sexual wish fulfillment great Seiko!?".