Sai Sumimori

Description
Sai Sumimori is a Japanese author best known as the original creator of light novel and manga series, particularly within the isekai genre, where a protagonist is transported to or reincarnated in a different world. Sumimori began their professional writing career after winning a new author award in the first Kodansha Light Novel Bunko Awards in 2011.

Their debut series was Mahō Tsukai Nara Miso o Kue!, which was later adapted into an original net animation. This work is noted in the credits for the anime that the user provided as an example. The title, which translates to If You Are a Wizard, Eat Miso, suggests a blending of fantasy elements with unique, everyday concepts.

Sumimori is most widely recognized for the series Am I Actually the Strongest? (Jitsu wa Ore, Saikyō deshita?). This property began as a web novel published on the user-generated site Shōsetsuka ni Narō in September 2018. The series was subsequently acquired for professional publication by Kodansha, which released the first light novel volume in print on May 31, 2019, with illustrations by artist Ai Takahashi. The light novel series has been published in English by Vertical, an imprint of Kodansha USA.

The success of the light novel led to a manga adaptation, also illustrated by Ai Takahashi, which Kodansha began serializing in its Suiyōbi no Sirius magazine on April 3, 2019. In a further expansion of the franchise, an anime television series adaptation of Am I Actually the Strongest? was produced by Staple Entertainment and aired 12 episodes from July to October 2023. This progression from web novel to light novel to manga to anime is a common trajectory for successful properties in the contemporary Japanese publishing industry.

Sumimori's creative identity is closely tied to the isekai genre. Am I Actually the Strongest? follows a protagonist who is reincarnated as a prince, abandoned for having supposedly low magical power, and who then seeks a quiet life as a shut-in despite being secretly overpowered. Thematically, Sumimori's work often features socially reclusive or awkward main characters, humor derived from the gap between perceived weakness and actual strength, and narratives that balance fantasy action with slice-of-life comedy.

Beyond their flagship series, Sumimori has also been credited as the original creator for the manga Ore no Kantei Skill ga Cheat Sugite, illustrated by Sho Ryuga, which was published by Kodansha in 2021. This body of work establishes Sai Sumimori as a significant contributor to the light novel and manga industry, particularly in the production of multimedia franchise properties that begin in digital publishing spaces and expand into mainstream anime adaptations.
Works