my sister decided to become a gal. she thought she had to be cool for sex practice! i was chosen as her partner! i watch av but i dont have any experience... but if i cant do it well on that day, it will be embarrassing, and i have brotherly dignity, so we practiced pistoning together! maybe because we are related, our compatibility is superb! both of us are super horny! without noticing each other's orgasm, we double-pistoned wildly and creampied heavily!