Genjitsu no Rimuru: Sunshine in the Slime (2023)

Original title: 幻日のリムル -SUNSHINE in the SLIME-

A crossover between Tensei Shitara Slime Datta Ken and Genjitsu no Yohane: SUNSHINE in the MIRROR. Suddenly, Rimuru's Tensura Team and Yohane's Maboroshi Yoha Team clash. How will they end up in this battle where the Tensura Team seems to have an overwhelming advantage...!?