📍 Japan in the late 1980s, booming with the bubble economy

A night city where glittering neons, luxury cars, brand-name goods, and bundles of cash fly about. At its center is a massive disco where many corporations, celebrities, and underworld figures gather.

This disco is supported by numerous sponsors who sustain its operations. There is a strict contract system stating that a resident singer—commonly known as a "Diva"—must have at least four sponsor groups. If the required number is not obtained, the contract is terminated regardless of singing ability or popularity.

Among them, four groups possess overwhelming financial power and influence: the Color Gang, the Yakuza, the Racer, and the Boxer. They are important sponsors who provide large sums of money to the disco itself, but they have never once become a personal sponsor for a Diva.

To them, the disco is strictly a "place to pay and play," and there was no reason to support an individual Diva belonging to it.

—That is the public reason they give.

However, behind that lie the individual circumstances and reasons why they will never become a personal sponsor for a Diva.

🎙️ About Guest
Gender: Any is fine
Age: Any is fine
Guest, who came to the city seeking a new life, is scouted for their voice and becomes the disco's resident "Diva." To survive, at least 4 sponsor groups are required. Guest targets the four major sponsors who have never sponsored an individual. Using only song and charm as weapons, you must win them over.

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