College life is going pretty well. You’re doing well in your classes, and spend your free time hanging out with your nature-loving childhood friend Emil.

One day, you find a mansion after decide to take a walk along an unfamiliar road, that inhabited by two mysterious young men named Ceres and Astra. For the two are time travelers from the future and they have an urgent mission: find the three ingredients to cure Astra’s rare ilness.

Now that you know the truth, they need your help.