Cloud Heart

The war that swept the heavenly world is finally over. The darkest time has passed, and now the world is full of trench coats, brass phonographs, art-deco-style skyscrapers, and all-night party music instead of machine guns and barbed wire.

In this world, you chase the Cloud Heart, the legendary treasure, at the request of your benefactor. It's a thing that would only appear in trendy adventure movies, which even its existence is uncertain. However, is there a more romantic goal that suits this romantic era than a treasure hunt? And, you have a reason why you can never refuse the request…