Mushoku Tensei - Volume 24 Side Story — Asura Kingdoms 『Biography of Rudeus Greyrat』

Seventeen-year-old Hajime Nagumo is your average, everyday otaku. However, his simple life of pulling all-nighters and sleeping in school is suddenly turned upside down when he, along with the rest of his class, is summoned to a fantasy world!

They’re treated like heroes and tasked with the duty of saving the human race from utter extinction.

But what should have been any otaku’s wet dream quickly turns into Hajime’s nightmare? While the rest of his class are blessed with godlike powers, Hajime’s job, Synergist, only has a single transmutation skill. Ridiculed and bullied by his classmates for being weak, he soon finds himself in despair.

Will he be able to survive in this dangerous world of monsters and demons with only a glorified blacksmith’s level of strength?

In the early morning of September 23, 2019, a natural disaster arrived. The Dao of Heaven and Earth has changed, the desire of all souls have completely filled up the Heavens.

The Dao of Heaven can no longer bear it. Evil thoughts, good thoughts, obsessions, and desires entangled endlessly, making the Heavens reach its limit, this shift caused an extreme change in the world, making fantasy come to reality.

All worlds fused together, and all things compete for freedom in this cruel new world. This is the beginning of a new era, one filled with destruction and rebirth. This era is called the Eternal Era.

- Description from Novelupdates

[Can the devil’s music bring happiness to the world?]From Jimmy Hendrix to Rachmaninoff, all the historical musicians who he meets in his dreams.The devil that presents itself as a little boy in love with singing.The devil’s blessing, given to such a tiny child.In the blessings of many devils,The boy’s song for the world begins.

To Producers, the two of them couldn’t be more drastically different voice actors.