First part of the Epigraph Trilogy, occurring during the winter of 2010 in the Beta Attractor Field around World line divergences 1.129848 and 1.130205%.

After the serialization of Steins;Gate: Heiji Kyokusen no Epigraph finished, Yoshida Tadasu started to draw the continuation titled Eigou Kaiki no Pandora, but for various reason was suddenly discontinued and continued by Torii Yasuyuki instead. The leftover Heiji Kyokusen no Epigraph chapters drawn by Yoshida were collected in the second volume of Heiji Kyokusen no Epigraph.