"But sis, I don't know anything about being a girl!" Garret pleaded to his sister.
"I guess you're right... I might have to change you, huh?" Garret had an expression of pure joy upon his face when his sister said those magical words... but she didn't have the same thoughts. "I wish my new sister was now a baby girl, so she can have time to learn what it means to be a good girl!
With that, Garret began to shrink down and all the clothing that had recently formed around her began moving toward her groin, forming a puffy white diaper. Her body changed as well, starting at a young womans and slowly moving through puberty. Breasts receded into nothingness as the girl became no older than 4 months. "The best part, sis, is that still, no one remembers you as anything different than you are now. I pretty much completely erased your life... you're now my adorable baby sister!" Garret began to cry uncontrollably.
April walked over and picked her sister up, "Aw, it's not so bad sweety!"