Isekai Summoner, Shinwa no Kaibutsu-tachi to Gendai de Musou suru: Uragirareta Moto Eiyuu wa, Aikasaname na Nakama to Heiwa ni Kurashitai
Isekai Summoner, Shinwa no Kaibutsu-tachi to Gendai de Musou suru: Uragirareta Moto Eiyuu wa,~ Chapter 2.1
