Waking up with no memories of who she is, Gwendolyn finds herself in a world that is obsessed with lust, sex and fantasy. She must team up with a cat girl, a dominatrix and more in order to travel across Heartlandia in the search of what has caused the mysterious event known as the 'Lustfall' before society collapses from the weight of its own carnal desires. Will she be strong enough to resist temptation at every corner, or will she give in to her deepest, darkest fantasies and submit the world to ruin?