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LINE Manga

Japan's largest digital comic service, operated by LINE Digital Frontier (a WEBTOON Entertainment company). Anyone can post original manga or webtoons free via LINE Manga Indies; the editorial team scouts posted works for paid "Trial Serialization" leading to pro debut (e.g. Senpai wa Otokonoko started as an indies submission).

This publisher only accepts submissions written in Japanese.

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LINE MangaJapan

LINE Manga — Direct submissions

Open posting service inside LINE Manga; requires a LINE account. All posted works are reviewed by a dedicated team, with monthly prize rankings, webtoon one-shot challenges, and scouting for Trial Serialization (16-week paid trial runs that can become official series).

RomanceFantasyAction+3 moreWebtoonMangaOne-shot

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Distribution platforms

LINE Manga app