That Time I Got Reincarnated as a Slime has once again proven its popularity by securing the No. 1 position on Oricon's Monthly Comic Ranking for June 2026. The fantasy manga outperformed numerous bestselling titles to become Japan's top-selling manga series for the month, highlighting the franchise's enduring appeal among readers.
The achievement comes during another successful year for the franchise, which continues to attract both longtime fans and newcomers through its manga, anime, and light novel adaptations. The latest manga volumes have maintained strong sales, helping the series dominate Oricon's monthly rankings.
A Continued Success for the Slime Franchise
Written by Fuse and illustrated by Taiki Kawakami, That Time I Got Reincarnated as a Slime began serialization in Kodansha's Monthly Shōnen Sirius in 2015. The story follows Rimuru Tempest, an ordinary man who is reincarnated in a fantasy world as a slime with extraordinary abilities. Since its debut, the series has become one of the most successful modern isekai franchises, spawning anime seasons, movies, OVAs, and multiple spin-off manga series.
The franchise has sold tens of millions of copies worldwide and remains one of Kodansha's flagship manga properties. Its blend of world-building, political intrigue, humor, and action continues to resonate with readers across the globe.
Strong Momentum in 2026
Reaching the top of Oricon's Monthly Comic Ranking reflects the manga's continued commercial strength in Japan. The release of new volumes and ongoing interest generated by the anime adaptation have helped keep the series among the country's highest-selling manga throughout 2026.
With the franchise showing no signs of slowing down, fans can expect more adventures in the world of Tempest as Rimuru and his allies continue to expand their nation while facing increasingly powerful enemies.
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