It is the year 2015, the final era over which magic still held sway. Caldea is an organization established to observe the magical world and the world of science - as well as to prevent the ...
The story revolves around three classmates who play simple hand games. One of the girls is good at games, but hates them as she always lost to her older sister and forced to do chores while growing up. Another girl is of American descent, but raised in Japan, and who only pretends to be bad at Japanese. Another girl usually observes their games, and loses to the other girls.
One day, I-a high schooler-found a paperback in the hospital. The "Disease Coexistence Journal" was its title. It was a diary that my classmate, Sakura Yamauchi, had written in secret. Inside, it was written that due to her pancreatic disease, her days were numbered. And thus, I coincidentally went from Just-a-Classmate to a Secret-Knowing-Classmate. It was as if I were being drawn to her, who was my polar opposite. However, the world presented the girl that was already suffering from an illness with an equally cruel reality.
The protagonist, Baki Hanma, trains with an intense focus to become strong enough to surpass his father, Yujiro Hanma, the strongest fighter in the world. Five of the world's most violent and brutal death row inmates are gathering to face Baki. Their objective is to taste defeat -- their unmatched strength and skill have led them to grow bored of life itself, and they now seek out Baki in the hopes that he can overwhelm and utterly crush them. In this crisis, other underground martial art warriors gather to fight by Baki's side: Kaoru Hanayama, Gouki Shibukawa, Retsu Kaioh, and Doppo Orochi. An epic showdown between violent death row inmates and Baki and his friends begins.