She showed her tits, so what? You'll have your dick in you and dictate the terms, sister

What are you doing with your hands? You see your brother has a hard-on, go ahead and jerk off

I didn't know if my sister was hinting at sex, but I fucked her just in case

You ruined your brother's date, but you didn't leave him without sex

I blackmailed you into sex! Okay, sister, but this is the first and last time!

Sister, what's with the outfit? I can see your tits, let me spank you

I'm a lusher, I'll suck your dick without blackmailing you, but you'll suck my dick too, brother

I'll fuck this one and give it to the other, and I'll cum on both of them. Let them share their cum

She showed her brother the new underwear, even let him touch it (and give it to him inside)

Oops, after that she won't call her brother stupid anymore

I don't care if your boyfriend becomes a cooch, you promised me sex

I was just jerking off to my brother, and now he's just fucking me 😅

Fuck my sister right on the stream, let her boyfriend learn how to fuck

I dreamt about having sex with you, but you fuck so much better in real life, bro

Sex with my sister doesn't turn me on anymore, it's better to fuck her in public

Sister, you'll learn how to suck my dick, and you won't embarrass yourself on a date

Oops, my sister is seducing me! But how could I refuse such a goddess?

Brother, good of you to drop by, I was just thinking about your dick. Can I see it?

Brother, it's about time my dick got up. And you lie down while I work my mouth

Wow, bro, thanks - two times in a row even a guy hasn't cum in me yet

My sister comes running and asks me to fuck her - what the fuck do I need a girlfriend for?

- Fuck, sister... I'm in your body. What am I supposed to do? Fuck, of course!

Brother, I gave it to you in my sleep, but don't tell the guy, or I won't give it to you again

Bro, you touched my tits and showed me your dick, but can you fuck me?