The Ossan Newbie Adventurer
The Ossan Newbie Adventurer, Trained to Death by the Most Powerful Party, Became Invincible is a Japanese fantasy light novel series written by Kiraku Kishima and illustrated by Tea. It began serialization online on the user-generated novel publishing website Shōsetsuka ni Narō, and it moved to the Kakuyomu website in June 2018. It was later acquired by Hobby Japan, which has published sixteen volumes since December 2018 under its HJ Novels imprint. A manga adaptation with art by Ken Ogino has been serialized online via Hobby Japan's Comic Fire website since November 2019 and has been collected in twelve volumes. An anime television series adaptation produced by Yumeta Company aired from July to September 2024.
Characters
Orichalcum Fist
; Rick Gladiator
; Reanette Elfelt
; Broughston Ashorc
; Mizett Eldwarf
; Alicerette Draqul
Other characters
; Angelica Diarmuit
; Raster Diarmuit
; Freed Diarmuit
; Linx Laulot
; Kelvin Urwolf
; Geese Resurrect
; Snape Resurrect
; Alisa Granger
Media
Light novel
Written by Kiraku Kishima, The Ossan Newbie Adventurer, Trained to Death by the Most Powerful Party, Became Invincible began serialization as a web novel published on the user-generated novel publishing site Shōsetsuka ni Narō, before moving to the Kakuyomu website on June 1, 2018. It was later acquired by Hobby Japan, who began publishing it as a light novel with illustrations by Tea under their HJ Novels imprint on December 22, 2018. As of July 2025, sixteen volumes have been released.
Manga
A manga adaptation illustrated by Ken Ogino began serialization on Hobby Japan's Comic Fire manga website on November 22, 2019. Its chapters have been collected in twelve volumes as of October 2025. The manga is licensed in English by One Peace Books.
Anime
An anime adaptation was announced in March 2023. It was later revealed to be a television series, produced by Yumeta Company and directed by Shin Katagai, with scripts written by Kasumi Tsuchida, character designs handled by Mari Eguchi, and music composed by Tomotaka Ōsumi. The series aired from July 2 to September 24, 2024, on TV Tokyo and other networks. The opening theme song is "Arano ni Sake yo Bōkensha-tachi" performed by Akira Kushida, while the ending theme song is "Sagashimono" performed by Chiai Fujikawa. Crunchyroll streamed the series. Muse Communication licensed the series in South and Southeast Asia.