Premieres February 2026 in Japanese theaters. Source for the image and news is the official website. The movie’s subtitle was announced to be “蒼海の涙編” (something like Tears of the Blue Sea). Synopsis of the source novels from AniList:
Living alone and never having had a girlfriend, 37-year-old Satoru Mikami is dissatisfied with how his life has turned out. But after dying at the hands of a robber, he awakens to a fresh start in a new world…as a slime monster.
Slime movies are kinda mid, except for Diablo who is always gold. Here’s to more Diablo content.