スキルがなければレベルを上げる (Series) favorite_border

[DeepL Translation - needs review] Volume 1 Introduction: At the age of 14, Ryuya is the only one who has not gained skills and has been abandoned by his fellow orphans; after five years of hellish training, he has reached level 8 million and is no longer an enemy. ...... He knocks on the door of the guild to become the adventurer of his dreams.

(Translator: DeepL)