A girl who possesses the ability to move through "Gaps", which is a space that transcends the dimension to connect two places. Once upon a time, there was a strange episode when she vanished from her hometown for a few days, but when she returned, she was able to control her powers, but she couldn't remember anything during the time she vanished. There were several witnesses that saw her coming out from a never before seen door in the middle of the night, and yet she still claims she remembers nothing about it.