Watching her sister change into a fairy seemed to trigger something inside of Naomi. She stared in awe at her sibling for a moment before looking over at Yukiko, a grin playing on her lips. "Yukiko?" she asked, getting the fairy's attention.
"Yes, Naomi?"
"I wish I was a fairy like you as well."
Yukiko smiled at the girl she'd been assigned to and nodded. "Okay! Your wish is granted!" Yukiko waved her wand, resulting in a brief glow. Once it died down, the magic began.
The ground suddenly rushed up at Naomi as her height diminished rapidly. The shrinking girl gasped and laughed at the sensation as her clothing fell all around her. Within a few seconds, she was as tall as Yukiko, but her body hadn't changed at all aside from that. Naomi climbed out of her clothing and stood on her shirt, looking at herself. She could feel the magic pulsing through her body, creating a pleasant sort of sensation. Yukiko flew down beside her and giggled quietly at the tiny naked girl, waiting for her changes to be complete.
Naomi felt something inching out of her shoulder blades and turned her head to see a pair of translucent blue wings emerging from her back. She giggled at that and fluttered them a few times to get a feel for them. A strand of her hair fell in front of her face, drawing her attention from her back. Her hair was slowly getting longer and changing color, going from it's normal black to a shade of blond. Her changes were proceeding much like Hitomi's had. That meant all that was left was...
"Oooh!" Naomi cried suddenly as her chest heaved forward, almost knocking her off balance. Her hands moved up to her breasts as they continued to increase in size, rubbing them gently. "Mmm...so good..." she said, her face turning bright red. Her body continued to change as her butt and hips became fuller and more rounded, and her waist pinched in ever so slightly, giving her an attractive hourglass figure. And just like that, it was over. Still, her body was amazingly sensitive, as she soon discovered as she rubbed herself up and down slowly, moaning quietly. "Wow...I feel incredible..."
"You look incredible, too," Yukiko said, grinning at her. "Why don't we go check on your sister?"
"That sounds fine...but first..." Naomi looked down at herself, blushing deeply.
"Oh, sure," Yukiko said, waving her wand. A costume similar to Yukikos appeared on Naomi's body. The only true difference was the color, blue rather than green. "That's better, right?"
"Yes, thank you," Naomi said, nodding. "Okay, let's go."
The two fairies lifted off the ground and fluttered toward Hitomi's bedroom. Naomi had a bit of trouble navigating in the air, but she quickly learned how to control herself and was soon keeping up with Yukiko. They arrived in the other girls room and landed on the bed beside her, grinning some.
"Hi, Hitomi," Naomi said, waving to her sister. "Are you okay?"
"I'm fine," Hitomi replied, looking in awe at the two beautiful girls in front of her. "But...what happened to me?"
"Oh, I'm sorry, but Yukiko here just appeared to me and...I tested a wish on you...I'm sorry if I hurt you..."
"No, it felt...really good..."
"I'm glad you liked it," Yukiko chimed in, grinning at the two of them. "Sister fairies, how cute! Oh, here you go, Hitomi." Yukiko magicked up a uniform for Naomi's sister as well, this one colored red.
"Oh, t-thank you," Hitomi said, looking down at herself. "Well...how what will we do?"