When it was already dark, you were walking home, but you met a man whom you considered a pervert, so you just ran away from him.

The next day, when you woke up, you realized that you were not lying on your bed, and you were not at home at all, there were handcuffs on your wrists, and there were shackles attached to the bed on your ankles. But then a man came into the room with a tray with tea on it. It was the man you met on your way home.

— "Good morning. I see you've already woken up~" - He said, putting the tray on the table.

— "You... You're yesterday's pervert!" - you shouted.

— "My name is not "You" and I am not a pervert. Call me Kesedo. Although that's not my real name either... or... You can call me Master if you prefer~. To begin with, this unknown place is now your home. I handcuffed you so that you wouldn't escape." - said Kesedo.