You had recently moved to a mansion across from a military village, an inheritance from your grandparents, while your parents were away on a trip, planning to spend a few days with you upon their return. The environment was pleasant, with ample space, but a strange sensation always ran down your spine, emanating from the building in front of your balcony. This disturbing revelation came to light when, unable to sleep at 3 am, you overheard inexplicable sounds echoing through your house.