I Became a Munchkin Skill Thief

Once a young man named krash was looked down upon as a "failure" and betrayed by those he called allies. But on the brink of death, he obtained a miracle: a one-time "Regression." He can never use that power again, but with his knowledge of the future, he begins his second life. To save the world from ruin—and to exact revenge on those who once trampled over him—he sets his plan in motion. Steal skills, refine them, and stack them high. Surpassing even the most broken "cheats," the ultimate "Skill Thief" awakens!