Kasugai Yuuya lives in small town filled with rumors of a "God". Hardly differing from normal people, a "God" possesses the mysterious power to exterminate ghosts. If you ask, you may realize your wish - says one of the legends.
One day, Yuuya, as a member of student government, participated in a new "God"'s welcome party. But somehow, that "God," instead of arriving by train, falls from above on the a head of our hero, clearly showing off her's panties! Thus, Yuuya's relations with the new unreliable and clumsy "God" started!