After getting revenge on the Thulcaan Empire, Jack Valantier took his last breath. But just when he thinks it's all over, he finds himself transported back to when he was 14!
From his negligent and wicked family to his loyal servant and caring sister, it's all just as he had remembered. But this time, Jack is armed to the teeth with decades of experience from his previous life! He's ready to give them hell, and those who have wronged him will pay dearly.
Because this time, he's invincible.
Legendary Youngest Son of the Marquis House Manhwa, also known as The Marquess's Youngest Son / Jack Be Invincible / The Margravial Household's Phenomenal Youngest Son / El legendario hijo menor de la casa del marqués / 후작가의 역대급 막내아들. This Ongoing Manhwa was released in 2022. This series was written by Nok Wolhi, and illustrated by Kei. Legendary Youngest Son of the Marquis House is about Action, Drama, Fantasy story.
