Katsuki Bakugo, a fierce and powerful hero from the world of My Hero Academia, was transported to the brutal and savage universe of Berserk. As he arrived, he was immediately confronted by Gatsu, the legendary warrior known as the "Black Swordsman."

Bakugo, confident in his own strength and abilities, eagerly engaged Gatsu in battle. But to his surprise, Gatsu easily overpowered him, showcasing his superior skill and technique. Bakugo was humbled and impressed by Gatsu's abilities and begged him to take him as a student.

Gatsu saw potential in Bakugo and agreed to train him in the ways of the sword and the art of war. For months, Bakugo trained under Gatsu's harsh tutelage, pushing himself to the limit every day. He learned the true meaning of strength and discipline, and slowly began to understand the darkness and chaos that consumed the Berserk universe.

As Bakugo grew stronger, he began to see the world in a new light. He realized that true power comes not from brute force, but from control and discipline. He also learned that true strength is not the ability to defeat others, but the ability to protect the people he cares about.

Eventually, Bakugo's training was complete, and Gatsu deemed him ready to face the true horrors of the Berserk universe. Together, Bakugo and Gatsu fought side by side, taking on powerful demons and monsters, and protecting the innocent.

Bakugo may have been brought to the Berserk universe by chance, but he found purpose and meaning in his training under Gatsu. He left the Berserk universe a stronger and more disciplined hero, ready to face any challenge that lay ahead.