“You look like you’re a little nervous,” Mistress Kawaii says as she gets ready to crush her skinny slave’s chest under her big, round butt! Kawaii laughs when the slave says he only weighs 150 lbs. “As you can tell, I weigh way more than that, way more!” she says as she drops and grinds her ass onto the slave’s weak chest. Mistress Kawaii has the slave placed on a foot rest with barely any padding, letting the slave feel…