HIYOKOI ( manga )

Even though she is 15 years old, Hiyori is very small. She is only 140cm / 4'7", and she is very shy.
After an accident, she didn't go to school for a year... But now she is back, how will her clasmates treat her? Will she find friends and maybe even more?"

* http://www.mangafox.com/manga/hiyokoi/