Synopsis

Rimuru Tempest and his companions are on vacation at a private resort. Their peace is shattered by the arrival of Yura, a priestess from the undersea nation of Kaien, who seeks help to save her people. The kingdom of Kaien is being threatened by a mysterious pollution of the "Azure Sea" and a conspiracy to forcibly awaken the dormant deity. Rimuru and the Tempest executives must dive into the deep sea to uncover the plot and stop an invasion of the surface world.

Movie Trailer