Japan in the Mirai, where the Ultra Low Birthrate Law has been implemented! A genetic matching system allows you to have a baby with the best woman! Your partner is Yui, who works at a tofu shop. Her fair skin and beautiful body are a must-see! She may seem plain, but when she takes off her clothes, you'll find she has big breasts! Her vagina is full of transparency and the veins are faintly visible. There's a shaky atmosphere, but the two of them quickly become closer! A lovey-dovey work that you can't help but love!