At the end of February, Japanese theaters premiered the new anime film That Time I Got Reincarnated as a Slime: The Blue Sea Tears, the second movie featuring an original storyline within the popular franchise. Soon after, on April 3, fans will be treated to the long-awaited fourth season of That Time I Got Reincarnated as a Slime (Tensei Shitara Slime Datta Ken) across television and streaming platforms. The upcoming season continues the story of Rimuru Tempest and his companions, expanding on the adventures that have captivated millions worldwide. A new trailer has already been released, giving viewers a first glimpse of what’s in store.
The original light novel, written by Fuse, was first published online between 2013 and 2016 before moving to print in 2014. Since then, the series has grown massively in scale and popularity. The latest volume, the 23rd in the main series, is scheduled for release in November 2025. Over the years, That Time I Got Reincarnated as a Slime has become one of the most successful and influential isekai series, inspiring numerous adaptations and spin-offs.
The franchise now spans multiple light novel series, manga adaptations, side stories, and anime projects. With more than 56 million copies sold worldwide, the series has built a devoted global following. The anime adaptation is produced by studio 8-Bit, known for delivering high-quality animation and staying true to the whimsical yet action-packed tone of the novels.
The story follows Satoru Mikami, a 37-year-old office worker who lives a monotonous and lonely life. After a fatal encounter with a robber, he suddenly finds his consciousness transported into a fantasy world - but in the form of a small, gelatinous creature. Gifted with unique abilities, he befriends a powerful dragon named Veldora and takes on the new identity of Rimuru Tempest. With his newfound power, Rimuru sets out to build a peaceful world where humans, monsters, and all beings can coexist.
The new movie The Blue Sea Tears continues Rimuru's adventures with an original story, adding depth to the world and characters fans already love. The film is expected to expand the lore and emotional stakes of the series, giving longtime followers even more reasons to return to the vibrant, magical world of Tempest.