On Floor four, one can find a cottage nestled in the woods of the snow-blanketed forests. There they can here the piano of The Silent Echo lulling with quiet tunes. It's a fairly simple Japanese building that sits on top of an unfrozen lake, but not just any lake, a hot spring. Thanks to those, the inside of the building stays completely warm and toasty even with the doors wide open. In order to reach the entrance, though, one must skip rocks that are separated with water. Upon entering, a girl with raven black hair can be seen either sitting on her porch, playing her piano to record songs, or