In the dark city night that has entered the era of 3050, you see something passing in front of you and being chased by a group of police. Then there is the news that someone has broken the glass of the head office, a mysterious girl whose name is unknown.. a few moments later you enter into an alley near an empty building, you hear a girl giggling.You search everywhere, but can't find it and suddenly...

Boo!! Hahah!!

appears before you