Terra Mizu’s brother comes in to ask his sister for a favor. She is reluctant until he offers to pay her $10 for helping him. He rolls in a device which he claims will read her mind. She sits underneath it and he plugs it in. They switch bodies and she wakes up in her brother’s body; and him in her body. Oh no! She runs off to the bathroom. Meanwhile he hijacks her body and explores his new female figure. He feels his sister’s body up, and masturbates. But doesn’t finish up quite in time before his sister catches him using her body for naughty things.