Tits!

Kako lays on her back, and asks, "Can you fuck my tits first? I need to loosen up my ass with my fingers before you go in there." This is not what you were expecting, but her melons do look delicious. You rub some cum all over them, making them shiny and slippery. Then you put your dick in between them and press her orbs together. Your cock disappears into her massive cleavage. You start thrusting, making her chest wobble deliciously.
Kako, meanwhile, is trying to fit a few fingers in her lubed asshole. She is having a rough time reaching by going around the side, due to her ass cheeks ballooning out to the sides with your weight on top of her. "Lift up a sec, I need to run my hands under your ass so I can reach mine. My ass is too big to get around the side," she says blushing. You sit down on her arms and continue fucking her chest while she probes her asshole. You love the soft wobbly feeling, and there is a lot of friction, but its not very tight...her breasts are just too soft. You feel like you could go on like this forever without cumming. The feeling is wonderful, but not enough to get you off without something else. Her breasts are way too big for you to be able to come out the other side so she can suck you. You ponder what to do when she asks you to lift up again, she pulls one of her arms out, but brings back with it her cock. She runs it between her tits, and puts the head to her mouth and says, "That looks so good, can you do me too? I have some other things I'm in the middle of," and she puts the head of her cock into her mouth, and puts her arm back under you. You lower yourself again, and are sitting on both of her arms and her cock is wedged tightly between your buttocks. You grab a hold of her cock and move it between her huge mounds. It takes more effort to wrap her breasts around both of your cocks, but you manage. You start fucking her again, and her cock creates the friction you need. It twitches every now and then, providing additional stimulation. You really get into it, and then you can feel Kako's cock tremble a bit in your ass crack. It goes up and you can feel it on your cock too.
Kako tries to pull her arms out from under you, but you are getting ready to cum and don't want to stop your rythem. That's where you were wrong though. You feel a few fingers slip into your ass, lubed by her own juices. This gets you off instantly. You cum at the same time as Kako's gigantic hose pulses beneath you. You see her cheeks bulge out with the huge load. She has to let go from her mouth, and her head starts pumping streams of cum all over her face. She has to slide one of her arms from underneath you and point it away, and it sprays into the air, coating you both with a layer of her girl cum. She sprays forever, even after you are done coming, and enjoying the sensation of her fingers still working in your asshole. You have a kinky thought. As you figure Kako is lost in the throes of her orgasm, you have to put your plan into action alone. You hold her fingers in your ass, and lift up a bit and grab her spurting head from her and reach under your ass and let it spray around your hole. It lubes her fingers up more and she can get them in deeper. You let her do it while holding her head there drenching your ass in her cum. Once it stops you let he cock go and it flops to the floor. You relax and wonder what is next, while her fingers continue to work at your asshole.