What would you do if you were to encounter a situation like this? A new series has been released depicting situations that will make your heart race just by thinking about them! In the first installment, when you return to your parents' house after hearing that your mother has collapsed, your brother's daughter, your niece, greets you at the front door. Her appearance since you met her when you were little is shocking! Even though high school girls these days look mature, their breasts are insanely large! "Uncle, let's take a bath together like we used to!" "Let's sleep together!" She comes on to you without caring about the state of your crotch. ...I can't hold it in anymore!!