I was kept under control of my ejaculation for 30 days by my sister

When I went to her house to visit, I came across her younger sister, Sora! "All my sister's boyfriends fall in love with me," he whispered in his ear, and in no time I held my balls on! There are three rules for Sora. 1. No sex with your older sister! 2. No masturbation except in front of me! 3. This is just a secret between the two of them! Ejaculation control genius Shiina Sora secretly whispers dirty words in her ears and manages ejaculation for 30 days! ! *Headphones and earphones are required! !