"What?" Declan answers surprise.
"Don't you think it would be fun? We will look completely same!"
"Wait, I don't wanna-"
Katie ignores Declan's plea and put the medallion to her, touch Denise's bra at her.
Declan looks down and watches her feet go far. She feels strange feeling from growth of breasts and blushes her face. Her hair grows and changes its color. Her height grows to exactly same with her sister. Her young face turns into older teenager's face. She took of her old clothes when 'he' became 'she', because they were too small. So she is wearing nothing and her mature body is shown.
Katie looks Denise's body of Declan and says, "Wow, you looks hot."
Declan is ashamed and "Hey! Don't watch my body!"
"Why not? You and me have same body!"
"Don't do it anyway!" now she tries to cover her breast with her hands.
"Ok, then go to sister room and look for something to wear. And go out together like twins! It will be fun!
Declan didn't wanted, so she tried to grab her boy clothes to be back. But Katie brings medallion.
"Just a few hours! After that, I'll give it back to you."