Symmetry Room

Symmetry Room (シンメトリー・ルーム) is a short story that is part of an anthology of short stories based on the Thus Spoke Kishibe Rohan series. It was written by Ballad Kitaguni (北國 ばらっど) and published by Shueisha. Symmetry Room was included with the January 2018 issue of Ultra Jump. It was then compiled in a collection with three other stories, which released for sale on July 19, 2018.