Akira Shiroyanagi, lover of games and candy, faces a mysterious girl named Mion one morning. She drags him into a strange game where the players gain special abilities. Akira aims to win using his new powers and intelligence.

There is a lot of work to do, from feeding the community and forging the items it needs, to playing games and getting into mischief. Join Rimuru and her friends as they relax and enjoy their daily lives.

This is a world of the skies, where many islands drift in the sky. A boy named Gran and a speaking winged lizard named Vyrn lived in Zinkenstill. One day, they come across a girl named Lyria.. Gran and Lyria, in order to escape from the Erste Empire, head out into the vast skies, holding the letter Gran's father left behind - which said, "I will be waiting at Estalucia, Island of the Astrals".

A boy whose friend died and became a ghost, starts high school. On his first day, a trunk is sent to him by his brother. From that moment on everyone are after him believing that he holds the mysterious powerful "Asura Machine".