Tanya dies in an artillery barrage on the Rhine Front, contrary to both her and Being X's plans. Unwilling to let his chew toy escape so easily, Being X reincarnates Tanya back into Japan... Six years before Britannia conquers Area 11. (First posted on Space Battles)

A trio of young teenagers pass away during a "breather" when a gas line breaks in an apartment wall. Two long-separated friends die on Track 2 of Sagamihara subway station. All five somehow find themselves in a Tokyo apartment empty but for a apparently random collection of people, and a large black ball. Nana to Kaoru * Gantz crossover.