メモリア

There's something in this world people have been longing for

"Asteria" and "Esteria"

Two separate worlds

They weren't supposed to be connected when a "gate" suddenly appeared, binding them together

At first, both populations were confused, astonished, bewildered

After acknowledging each other's existence, if wasn't long before people were allowed to circulate freely across the gate

Soon people became accustomed to one another

The story takes place in Fuyuhi, a city covered with snow, where the main protagonist, Kouichi Sakurazaka, meets a girl

It was merely a chance

However, this was the beginning of everything. A pure white story, like the pure white snow

...

Translated from official summary