The Legendary Investigation Team of the Grammatical World

In the world of Ella, a world of swords and magic, Pars, a retired knight of the Kingdom of Ruijin, had a strange dream one night. The strange dream was actually related to the Ashes War decades ago. In order to investigate the truth about the strange dream and the Ashes War, and explore the secrets hidden in history, the great magician Merlin, the retired knight Pars, the wrestler Oaks, and the bard Stephen formed an investigation team to find out the truth.