Kono Subarashii Sekai ni Shukufuku o! ~Kibō no Meikyū Tsudoi Shi Bōkensha-tachi~

In the games story, Aqua suddenly obtains a shard of a demon stone that holds hidden power. Kazuma and his friends seek to discover the power and value of the stone. They encounter ruins, mazes, and monsters on their quest to learn the stones secrets.