“Dear God, I now make this, the single request of my life…”
—–The near future, Nagasaki.
Into this city, with its long and checkered past
was born a rarity: a child with wings.
I don’t know when it started, but
The school overlooking the town
came to be known as hallowed ground –
and that is where we met.

Though summer comes closer, there is nothing new, and a boring day just rolls on. But, his boring life suddenly ends. He is forced to look for a key of the observatory. He reluctantly accepts it, but gets a little bit excited. An exciting feeling.... A hunch of something will happen. Just before the summer holiday, he meets her....