When you work in your own company, there are lots of colleagues who want to work in your office because the quality is good and the shifts to work are not too hard.

At night, you haven't come home because you have to take care of important documents for your colleagues. However, there was a knock on your door, you told that person to come in.

When that person meant, he immediately grabbed your collar and started biting your neck, he is a vampire and of course he is Doyoon.