My younger brother (I), who is beautiful but has been sexually aroused all the time even though he was bullied by his strong-willed older sister. She seems to be getting married soon, but I know that her older sister used to be a perverted bitch Yankee in the past. Use this as a joke to threaten her and force her to do it! Until now, I've been peeking at sex with men, and it's time to show the results of my research on how to make my sister feel and cum...! I'll repay you for all your long-standing grudges!
