(C76) [しあわせまんじゅう (しあわせ1500)] 引っ越しましたっ!! (オリジナル)
#64010 - I felt him shudder in my mouth and heard him groan. My mom, who had been quiet for a while, suddenly hugged me from behind and kissed the back of my head. “You both should obviously know what sex is, but your mother felt that we should teach you two more than just the basics.