<p>A solid office worker who is good at work ,<br/>Deputy manager Jung Ji-soo, has been lonely for 7 years,<br/>But she has secret friends who helps her to get through the lonely nights.<br/><br/>The first friend is an "egg vibrator" ,<br/>the second friend is an "internal vibrator",<br/>the third friend is a "silicone dildo", and<br/>the fourth friend is a "suction vibrator".<br/><br/>And the fifth friend,<br/>the successor to the company, Han Se-hyun...?</p>