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Dungeon ni Tojikomerarete 25-nen. Kyuushutsu sareta Toki ni wa Rippa na Fushinsha ni Natteita

Also known as: I Was Trapped in a Dungeon for 25 Years and Became a Legendary Suspicious Person When Rescued;ダンジョンに閉じ込められて25年。救出されたときには立派な不審者になっていた;

Dungeon ni Tojikomerarete 25-nen. Kyuushutsu sareta Toki ni wa Rippa na Fushinsha ni Natteita is a Manga/Manhwa/Manhua in english language, Shounen series, english chapters have been translated and you can read them here. You are reading chapters on the fastest updating comic site. The Summary is This suspicious person is about to become a legend." A young man, Nagano, vanished after challenging a dungeon that suddenly appeared in modern times. He survived for 25 years in its uncharted depths, eating ferocious monsters and gaining an incredibly powerful body. When he finally returns to the surface, he finds himself in a future Japan where dungeon streaming has been made mandatory. His rampage, which surpasses even disaster-class monsters, is immediately streamed, and he quickly joins the ranks of top explorers. Armed with 25 years of experience, Nagano rises to become a legend of this new era. https://www.cmoa.jp/title/346893/