大平面の小さな罪

One day, all the advertising posters in JR Shinjuku station were replaced with blanks! Who is the culprit behind this mysterious incident? Jiro Okazaki's science fiction mystery featuring the duo of Sena, a beautiful woman who can manipulate two-dimensional objects, and Udagawa, an ad man, is now available in a new edition. (Source: Kadokawa, translated)