Parallel Relief

By absorbing various items and knowledge from our world, the Demon King’s army from another world has grown even stronger.
The best way to learn about what’s happening in another world is to ask those who live there!
Having decided this, “Luna Bryce” successfully summoned the protagonist and his classmate, “Kotonose Azusa,” using summoning magic.
The situation was unclear, but faced with Luna’s earnest gaze as she pleaded for help in fighting the Demon King’s army, Azusa agreed out of concern for the impact on her own world.
It wouldn’t have been right to refuse, so the hero decided to cooperate.