I Became a Supporting Character in a Martial Arts Novel

I’ve possessed Ha Heun, the villainous supporting character in a martial arts novel, who betrayed her master and traumatized the protagonist! Fortunately, the original story hasn’t started yet. So, in this life, my goal is to grow into a respectable adult under my kind master, the Volcano’s Greatest Sword! “I’ll be waiting at the top, come up before the sunset,” he said, and so I diligently trained up and down the steep Yeonhwabong peak. “It seems you were waiting for me earlier… Why don’t you accompany me?” “I thought it might be boring alone.” When the protagonist, Ha Hyun, joins as a disciple, I, as his senior, take good care of him, thinking I’ve built a harmonious life at Mount Hwa...