In the game of Bliss, you find yourself in Japan where there is a crisis going on in which there aren't enough babies being born to support the country's expected needs for paying for seniors, the military, etc. since not enough new workers will be joining the social system. So, the government adds aphrodisiacs to the country's water supply so people will crave sex and lust after each other and mate, thus getting pregnant and creating more future workers. The problem gets worse when the aphrodisiac turns people into lust zombies and overrun Tokyo. Now you must figure out how to escape this virus and get the heck out of town along with your classmates.