- 文庫: 221 pages
- Publisher: 河出書房新社 (March 5, 2010)
- ISBN-10: 4309410073
- ISBN-13: 978-4309410074
- Release Date: March 5, 2010
The three main characters are Makiko, who is the ordinary girl, Kazue, who is the quiet and responsible girl, and Youko, who is the spoiled rich girl. Each of them also has family issues they must resolve before the book ends.