Overview

• Webtoon Entertainment’s Japan-based Line Digital Frontier division, which runs Line Manga and ebookjapan, is leading the anime’s development.
• The series will follow Ijin Yu, a former child mercenary who returns to Korea as a teenager and must navigate high school life.
• Since its 2021 debut, Teenage Mercenary has become one of Webtoon’s top action titles with more than 1.8 billion views and top rankings on Line Manga in 2023 and 2024.
• The adaptation joins Webtoon Entertainment’s growing slate of 20 anime projects in development, including Omniscient Reader with Aniplex and Crunchyroll.
• While creators YC and Rakyeon express excitement, some observers warn that many manhwa-to-anime adaptations have struggled to match their source material’s success.