Hell's Boat 136 is a Manga/Manhwa/Manhua in (English/Raw) language, GORE series, english chapters have been translated and you can read them here. You are reading Hell's Boat 136 chapters on ManhwaZ, fastest updating comic site. The Summary is
In a world where wealth disparity has been increased by the Alpha virus pandemic, Isamu Kouyama learns Vovinam, a Vietnamese martial art, from his coworker, Le Ahn Cong. Isamu signs up for a volunteer cruise hoping to profit, little does he know what this ship has in store.