A guy who incidentally found a book in the hospital titled "Disease Coexistence Journal" which is owned by his classmate Sakura Yamauchi.

~!It is revealed in the last chapter of the novel that his name is Haruki Shiga (志賀春樹).!~

Spring time in April and the last of the cherry blossoms are still in bloom. The usually aloof bookworm with no interest in others comes across a book in a hospital waiting room. Handwritten on the cover are the words: "Living with Dying." He soon discovers that it is a diary kept by his very popular and genuinely cheerful classmate, Sakura Yamauchi, who reveals to him that she is secretly suffering from a pancreatic illness and only has a limited time left. It is at this moment that she gains just one more person to share her secret.<br>
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Trying to maintain a normal life as much as possible, Sakura is determined to live her life to the fullest until the very last day. As her free spirit and unpredictable actions throw him for a loop, his heart begins to gradually change.
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(Source: Aniplex USA)

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__Height:__ 6'0" (183cm)

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Robert Daymond Howard is a voice actor. In anime and video games, he is known as the voice of Tuxedo Mask in the Viz Media re-dub of Sailor Moon, Mumen Rider in One-Punch Man, Hubert Von Vestra in Fire Emblem: Three Houses, Sorey in Tales of Zestiria, Goro Akechi in Persona 5, Lloyd Bannings in The Legend of Heroes: Trails of Cold Steel II and IV, Joe Kido in Digimon Adventure tri. and Prompto Argentum in Final Fantasy XV, Smokey Brown in JoJo's Bizarre Adventure, Chrollo Lucilfer in Hunter x Hunter, and Kayn in League of Legends, Jin Mori in God of Highschool.

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A Mexican voice actor who works with anime, television series, as well as video games. He is known for being the Latin American Spanish voice of Panda in We Bare Bears. He's also the recurring dub voice of Daniel Curtis Lee.

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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…
