A high school student stumbles upon a secret diary, "Disease Coexistence Journal", belonging to their classmate Sakura Yamauchi, who is struggling with a pancreatic disease. The diary reveals that Sakura's days are numbered, and the student becomes drawn to her, feeling an unexpected connection despite their vastly different personalities. However, Sakura faces a harsh reality that only adds to her suffering.

I Want to Eat Your Pancreas
A profound bond forms between Sakura and her classmate as they make the most of their time together, cherishing the precious moments they share amidst Sakura's fragile health.