The world we inhabit, the "Apparent World," has had a counterpart since long before the cyber age. Since ancient times, people have called it the "Unseen World." Taro, Makoto, and Masayuki are three junior high school boys living in Suiten, a small town in a remote area of Northern Kyushu. Each suffered a childhood trauma they could not erase. For this reason, or others, they all learned to traverse to the Unseen World by slipping their souls. Ghosts dwelling in the Unseen World never manifested in the Apparent World. However, the Unseen World was undergoing an adverse change. And now, that change is beginning to extend into the Apparent World...