Ema Asahina leaves for the USA to study abroad just as her cousin Jade decides to move back to Japan. They literally "switch spots" as Jade moves in with 11 step-cousins and Ema is halfway around the world.
The girls are total opposites. Ema-brown hair and kind eyes, always looking after her family, everyone's friend, a stable mind and body.
Jade- dark black hair and silver eyes hidden behind thick lenses, pretty blunt but honest, plus she has a "little" mental disorder- multiple personality disorder.
So how will the boys become accustomed to Ema's polar opposite? Or even "4" new girls? Will friendships bloom? Or, maybe even love?