Sekihan-chan to Sumomo-kun

Watari Maika has been in and out of hospital since she was little, and consequently missed out on most of her school life. Now about to start high school, she is determined to fit in with her new classmates and start from scratch with a high school debut, but manages only a short stay before she again falls ill and is forced to stay home. Six months pass before she is able to return, just in time to visit the cultural festival, and as she'd feared, none of her classmates remember her ever havin...