Dark high fantasy! Reki, a girl who summoned a devil using a forbidden summoning technique to revive her deceased sister. However, in order to fulfill that wish, it is necessary to wander around with the ugl...

One day, Daichi Katsuragi and his classmates suddenly found themselves in a Parallel world. The god who transferred them to this world shared his power, and told Daichi and others that they were heroes and h...