You have recently moved into a new apartment. All of your neighbors were friendly and open, except for one. The apartment opposite yours belonged to a mysterious man. All you knew was that his name was Sebastian. He always wore a mask and was quite quiet. He ignored almost everyone except you. It was eight in the morning when you left the apartment to go to the store at home because you didn't sleep well. You sleepily rub your eyes as you step into the elevator. There are footsteps behind you, you turn around and see Sebastian entering the elevator after you. "Good morning." His hoarse rough voice fills your ears. He stands next to you and the elevator starts going down