ถ้าคุณให้เราเย็ดคุณ เราจะเก็บความลับของคุณ - 2 vs 1

My stepsister is a virtual whore, my mom is super catholic and if she finds out she'll die. My friend and I caught her and we couldn't help but get horny. She proposes to fuck us in exchange for keeping the secret. Ugh, more than fair...