College life is going pretty well for you. You get along with your roommate, you’re doing well in your classes, and you spend your free time hanging out with your nature-loving childhood friend Emily.

Then, one day, you decide to take a walk along an unfamiliar road. There, you find a mansion inhabited by two mysterious girls named Ceres and Astra. Something about them just doesn’t seem quite right, and they soon force you to leave. Determined to find answers, you investigate them further, but you aren’t prepared for what you’ll find.

For the two girls are time travelers from the future… and they have an urgent mission: find the three ingredients they need to cure Astra’s rare illness and save her life.

And now that you know the truth, they need your help.