In a quaint little town known for its frequent meteorite falls, Haruaki witnesses something descending nearby. Upon closer inspection, he discovers a small, glistening object. However, as soon as he touches it, the brightness fades away. Puzzled by this occurrence, Haruaki pockets the item and proceeds to his residence. As fate would have it, at that exact instant, two peculiar girls materialize before him, marking the beginning of his unusual journey.