Hoegwihan Extra-ga Cheonjaega Doem (also known as The Regressed Extra Becomes a Genius) is an ongoing action and fantasy manhwa by Studio Sigma, with art by Tekgol, that follows Kim Seon-woo — an ordinary man who gets pulled into the world of a famous novel and chooses to live quietly as a background character, only to find himself thrust into extraordinary circumstances.

What makes this series stand out is its fresh spin on the isekai and regression formula: rather than chasing glory, Kim Seon-woo initially resists the spotlight, making his inevitable rise feel earned and compelling. Packed with supernatural powers, school life drama, and classic shounen energy, the story masterfully blends world-building with character-driven tension — a must-read for fans of 'The Extra's Academy Survival Guide' or 'The Beginning After The End.'

The series is actively ongoing with new chapters added regularly, offering readers high-quality, full-color pages in English. Whether you're a longtime manhwa fan or just discovering the genre, this is one hidden gem that rewards every chapter.