After dying to an assassin's bullet, a politician's public relations manager Jack is summoned to another world... as a skeleton? The world of Gyra has an imminent demonic invasion due to arrive in a year. As such, the ten gods have set aside their differences, and each has summoned a hero to aid the world against the deadly threat to come... including the god of undeath, Necrovalis. Necrovalis wishes to use this opportunity to gain more followers to boost his faith. Summoning a servant from another world is sure to work! After all, summoning a person from another world always results in that person being incredibly powerful! And a powerful person indebted to Necrovalis will surely use that power to bring those lowly peons to recognize his glory! ......Right?