Mado No Mukougawa
Other titles :
マドの向こう側, Mado no Mukou Gawa, The Other Side of the Window
Author(s) :Aoki Ume
Kei Sonofuji is trying to get a new start by changing her image before getting into high school. But just as it seems everything is going to go well, she gets sick and has to miss the first week. Just as she thinks she's missed out on everything, she gets a surprise from one of her classmates!