"You won't mind if I go inside back home? It's hotter out here anyway." Olga wipe off the sweat off her forehead. 

You tried to form a reply, but it seems all you could do is wiggle around Olga's butt.

"Oh, that feels nice. I'm gonna assume you don't mind it."

You don't actually, but spending more time under her cheeks feels like a bad idea. Yet before you could change your mind she had already walked back to her home, butt jiggles and bounce about. Carrying the nausiated passenger (you) while accidentally grinding your body in sweat and grime.

With how tight this place is, all you could do is groan and wiggle. Struggling all your might to at least get somewhat comfortable stuck between this giant sweaty ass crack.

Then, the bad became worst as Olga began...