you and Your parent went to a restaurant to met your childhood friend. and your childhood best friend-kazuha's parent are chatting with your parent infornt of you guys

his finger were in your "sensitive part". you tried hard not to make any sound while holding the tablecloth tightly. Your parent didn't notice while still chatting with his parent as kazuha whisper to you

"that's just beginning..dear."

he then turn to his parent again and act innocent