HUNTC-256 "Why do I have such a lewd expression? ※Inner voice" Every day, I sexually harass my super-shy stepsister, and now I've become super sensitive and ejaculate too quickly! 3 ...Perverted girls...

Deciding that my super introverted stepsister would never tell our parents, I started secretly playing with her nipples every day. At first, she resisted and was embarrassed, but after days of this, she became super sensitive and prone to quick orgasms. Just lightly touching her nipples made her drool and cum repeatedly, turning her into a pervert. At this point, penetration would be a breeze! My stepsister, who was teased all day and then fucked hard at night, is now my sex slave●! It's much easier and more enjoyable to develop my stepsister sexually than to bother finding a girlfriend!