I was only supposed to insert the tip of my dick into my cute little sister... But she just puts the tip in and starts shaking her hips. But she can't hold back with just the tip, so she puts it all in. It feels so good deep inside! From there, the two of them have sex as usual. At the end, my sister clings to me and says "Don't stop!" and I cum inside her pussy! Mitsuki Nagisa