Plot Summary

My sister, who is super deep and shy, recently had a boyfriend, and she asked me to lick her dick! ?? I was too embarrassed to refuse cunnilingus from my boyfriend, but it seems that I can not refuse it soon ... So it seems that I want to experience cunnilingus first and get used to it. If I lose to such a desperate request of my sister and lick the dick ... I feel messed up and I'm so excited that I can hold my head with a mantis pinch! In the end, I can not stand it and suddenly change into a nympho so much that I want to insert Ji Po!