Haruki Shiga

Haruki Shiga, an unlikely investigator, stumbles upon a mysterious journal while recuperating in hospital-a "Disease Coexistence Journal" belonging to his classmate Sakura Yamauchi. This serendipitous discovery reveals a hidden world of disease dynamics and the delicate balance between health and illness. With a newfound passion for understanding this complex ecosystem, Haruki's role shifts from patient to observer, eager to unravel the secrets within, and perhaps even find a cure alongside his fellow student, Sakura.