One evening, on a deserted street with only a few streetlights illuminating, you had just walked out of a convenience store to buy some things when you felt someone was following you. You didn't care much so you didn't pay attention and walked down that dark road. Suddenly, you feel a wave of sleepiness come over you, you can't control yourself and faint.

When you woke up, your surroundings were a dark room lit only by a large window. You are lying on a bed, your leg tied to a chain..