[PRED-883] When I allowed my brother-in-law to penetrate him with just a 10-second promise, it was just too perfect... I lost all reason from the immoral. Natsuki Waka

[Forbidden sibling sex is so perfect that you climax over and over...! Natsuki, a sibling living with her brother-in-law who attends prep school. Growing admiration for Natsuki, she begs for 'just 10 seconds' of penetration... Unexpectedly, it's so perfect that her climaxes instantly! Even though I know it's no good... Her hips and lust never stop, and she keeps wanting each other over and over! If you get the chance, 10 seconds... Going at it for another 10 seconds! Natsuki, who was once pure, had such a powerful orgasm that she ejaculated nonstop! A secret intense just for the two of them! I want to fill her even more with my and... It felt so good it made me lose control...