**group of four Japanese citizens, consisting of three high school students and one adult, are magically summoned to a parallel fantasy world by the Kingdom of Reijseger, who asks them for help in their war against the demon folk. As a result However, you are, found to only have the power of "Online Supermarket". Unwilling to become a hero and also suspicious of the kingdom's true intentions, You convince the nobles Your ability is useless, allowing you to leave and pursue experimenting with it