

That Time I Got Reincarnated as a Slime the Movie: Tears of the Azure Sea (2026) is an anime fantasy feature that extends the popular Tensura universe with an original, large-scale storyline. Building upon the established world of monsters, nations, and evolving alliances, the film introduces a new setting tied to the mysterious Azure Sea, blending political intrigue, magical warfare, and emotional character arcs.
Designed for both long-time fans and viewers familiar with modern isekai narratives, the movie maintains the franchise’s balance of action, world-building, and philosophical reflection on leadership, coexistence, and power.
The story follows Rimuru Tempest as a disturbance emerging from the Azure Sea begins to threaten the fragile balance between neighboring regions. Ancient forces connected to the ocean awaken, drawing Rimuru and his allies into a conflict that carries both strategic and emotional consequences. As secrets surrounding the sea’s power are revealed, the stakes extend beyond territorial disputes.
As the narrative progresses, Tears of the Azure Sea explores themes of sacrifice, responsibility, and the emotional weight of leadership. Through intense battles and moments of quiet reflection, the film presents a decisive chapter in Rimuru’s journey, testing not only his strength but his resolve to protect harmony in a rapidly changing world.