107 people bested this!
4 people are curious.
The story first realeased as a book in October 2006, and it sold more than a million copies in its first month.
The Story is about Mika, a girl who falls in love with Hiro, a boy in the class next door. However, during the story, she will suffer hardships including rape, betrayal, etc.
The author is anonymous other than her first name. Koizora is a "true story" of her youth, or at least, "based on her experiences."