The year is 20XX, and the declining nation of Japan has built the ultimate casino resort: Shinkoumi. This "special administrative region," once known as Tokyo Waterfront City, is functionally its own separate country under the complete control of a private managing organization known as the Takasatogumi. With the economy in turmoil, the masses flock to Shinkoumi with the hope of getting rich quick, or at the very least, venting the stress of their overworked, underpaid lives. With no restriction on who can enter, crime has flourished, and entire districts have decayed. Our protagonist, Towa, lives a life of indolence on the third floor of a small neighborhood clinic. For you see, he has a hobby: painting human desire. Specifically, the moment before those suppressed urges break free from their constraints. And to do so, naturally, he must experience it himself firsthand. In the art world, he is known as "euphoria". It can be dangerous to grant people's darkest desires – sometimes, even deadly. But in the spirit of avant-garde, Towa is willing to die for his art...