Fukuta Momo, Kashiwagi Konatsu, Kisaragi Yuno, Oohara Amu are employees of a Bank
. In one time the system had a very serious error, many people came to complain but while waiting to be resolved, there were men who had annoying words with these beautiful staff. The staff tried to explain to customers but no one understood and suffered the anger of customers, making them come up with a bold intention to help customers relieve anger and help the girls satisfy their lust. They seduced customers right at the company, fuck each other from the meeting room to the reception room. Perhaps this is the best customer service, so the men have no longer complaining but less stressful.