“I said let go Bill!” Yelled Kimberly angrily “You think you don’t have to do what I say because I’m a girl but if I was dad you’d listen, I wish I was Dad so you have to do as I say!”
In a flash Bill release the stone and covered his eyes as Kimberly’s form erupted into light and grew up in hight and mass.
When the light faded in a few seconds where Kimberly stood now stands their huge hairy father wearing Kim’s tattered remains of clothing with the stone still in his hands looking confused and dazed from the change.
“Wha…?” Kimberly mutters in a deep baritone “Whoa! I’m daddy!” He reaches up with a free hand and feels his mustache “Haha awesome!”
Bill stands in shock at what he is seeing. His little sister is now has their fathers burly body and starts to feel worried “Um… Kim?”
Kimberly turns her/his attention back at Bill towering over him with a smirk while flexing his new bulk “So kiddo…”