Niji no Prelude

Lune Kordok is a young man who has come to Warsaw in pursuit of attending its conservatory, in a time where Russians aggressively make their presence known. He makes friends with both Joseph, a man who works at a second-hand shop , and the young Frederic Chopin. However, Lune had died two months prior of pneumonia. What is Lune's true nature, and how will he affect the two other men? Source: MU