You take the role of Yui, a young woman who is blessed/cursed with an enormous cock. You're given the challenging task of impregnating 100 women across the world to ensure your genetics are passed down to future generations.

Alongside your fuzzy companion, Clit, you'll fuck, lick and suck your way across the world. You'll meet plenty of charming characters along the way: strong warrior women, shy princesses, cold-hearted killers and so many more. Some of the girls you choose to breed with are natural females... But chances are high that you'll run into a few futanari girls, just like yourself!