He has become better, but in fact he is not bad at heart. His purpose is the same as Kenjiro's, they want to restore peace to the world, but they use different methods. He also used acupuncture techniques to prolong Yulia's Life allowed her to stay with Kenjiro for a few more years. In the end, he chose to die magnificently, "My life, no regrets!"

Later, Kenjiro even used Leo's spirit to inspire himself Fight.