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Prologue
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You are Yuzuru Otonashi, Japanese, Male, seventeen years old, five-foot-nine, with red hair and burgundy eyes.
When you were a middle-schooler, you had cared little for socializing or academics, preferring to be alone while playing video-games. You loved playing video-games but had little time for it.
When your younger sister — Hatsune — was diagnose with cancer, your family's monetary-troubles began. Being quite tall for your age and mature looking, your parents had used their connections to find you several part-time jobs. Most of the paychecks you earned were then spent on Hatsune's expenses. That was fine by you. Compared to your classmates or even your parents, you weren't very attached to them; but the moments you spent with Hatsune was far more precious to you.
As your younger sister's condition deteriorated, you had begun to wonder for what purpose you were living for...
When Hatsune passed away on Christmas, you eventually made the resolve to become a doctor.
One day, while studying at the city's library, you heard a explosion and the building then suddenly collapsed. Many were killed or injured and few were those with just scratches and bruises. But all were trapped. Gathering the survivors and managing the paltry supplies, you worked fervently to keep the remaining people alive.
You did the best you could, sharing a majority of your food and water, because you knew that you didn't have long to live. You were severely injured, too wounded to be saved with improvised knowledge and, and so kept your failing condition from everyone else.
Tensions were high for the first few days but that soon gave way to lethargy and despair as the week went on.
Several days into that week, hunger and thirst gone, sensation dull and numb, vision blurring and going in and out, you were certain that you weren't long for this world. Death was coming for you.
You gave away the rest of your rations — most of it to the children.
As you laid your back to the rubbled-wall, pleased by their brightened expressions, you wondered if there wasn't one last thing you could do, wondered whether this was all your life would amount to?
At that moment, you recalled a short conversation you once had with your younger sister.
With a smile, you unsteadily pulled out your life-insurance card and filled in the appropriate information for organ-donation.
"...Big-bro is coming..."
With this, there was meaning in your life, you wouldn't just disappear...
"..to meet you.."
Even if you died, you could live on, saving others..
"Hatsune."
Thank you, Yuzuru Otonashi.