Mikan Sakura is in debt. To be able to pay everything, she works as Natsume Hyuuga's girlfriend by day and maid by night. Little does she know that she's part of a larger plan that is going to change her for life.

Hotaru's teleportation invention goes horribly wrong sending Mikan, Natsume, Hotaru, Ruka, Narumi and Tsuusba into the future! Where Mikan sees what marriage life is like, will she find out how she really feels about Natsume? NxM, slight RxH. RxR