Sovereign of Judgement is a Manga/Manhwa/Manhua in (English/Raw) language, Manhwa series, english chapters have been translated and you can read them here. You are reading Sovereign of Judgement …
On an ordinary afternoon, Ring suddenly appeared in the middle of the classroom. If you want to live, you have to climb up the ring and kill your classmates. A brutal slaughtering game that simultaneously tests human fighting power across the globe begins.