Moto Sekai 1-i no Sub-Chara Ikusei Nikki: Hai Player, Isekai o Kōryakuchū!

Step into a world where the lines between virtual and reality blur for a seasoned gamer. Having conquered countless digital realms as the top player, our protagonist finds themselves unexpectedly thrust into a new, unfamiliar world. But this isn't just any transmigration; they arrive not as their legendary main character, but as a humble, often-overlooked sub-character. Now, with all their hard-won experience and strategic brilliance, they must navigate this fantastical land from an entirely different perspective. Can a lifetime of mastering games translate into success when starting from the bottom, utilizing the unique strengths of a seemingly minor role to conquer the challenges of an entire new world? This is a compelling tale of unconventional heroism and proving that true skill transcends any avatar.

✦ AI-drafted summary