[Reducing Mosaic]109IENFH-19501 I wanted to lose my virginity with my first girlfriend, but my perverted brother-complex sister got jealous and anxious because her brother had his first girlfriend! 'My brother's virginity is mine!' Yokozawa Nami

The younger sister is shocked that her favorite older brother has a girlfriend for the first time. The sister is jealous of the girlfriend and tries to send a message saying "Let's break up" on LINE using her brother's phone, or says things like "How dare he have a girlfriend while having a sister like me!" She's completely nuts! But while I was sleeping, my sister inserted it herself and started grinding on top of me! And it felt fucking amazing!