A story that revolves around three sisters who live in their grandmother's home and the arrival of their 13-year-old half sister.
There are three sisters: 29-year-old Sachi Kouda (Haruka Ayase), 22-year-old Yoshino Kouda (Masami Nagasawa) and 19-year-old Chika Kouda (Kaho). They live at a house in Kamakura, Japanese. Their house was left by their grandmother.
One day, they receive news of their father's death. When the sisters were young, their parents divorced and their father left them. They haven't seen their father in 15 years. Upon hearing the news on their father's death, the sisters attend their father's funeral.
At the funeral, they meet their stepsister Suzu Asano (Suzu Hirose). She is 14-years-old and there are no one to take care of her. Oldest sister Sachi invites Suzu to live with them.
| Haruka Ayase | Sachi |
| Masami Nagasawa | Yoshino |
| Kaho | Chika |
| Suzu Hirose | Suzu asano |
| Shinobu Ôtake | Miyako Sasaki |
| Ryo Kase | Sakashita |
| Ryohei Suzuki | Dr. Yasuyuki Inoue |
| Takafumi Ikeda | Hamada |
| Kentarô Sakaguchi | Tomoaki Fujii |
| Ohshirô Maeda | Futa Ozaki |
| Midoriko Kimura | Hideko Takano |
| Kirin Kiki | Fumiyo Kikuchi |
| Lily Franky | Senichi Fukuda |
| Yûko Nakamura | Yôko Asano |
| Rirî Furankî | |
| Jun Fubuki | Sachiko Ninomiya |
| Oshiro Maeda | Futa Ozaki |
| Shin'ichi Tsutsumi | Dr. Kazuya Shiina |
| Kazuaki Shimizu | Toshio Iida |
| Kaoru Hirata | Dr. Kazuya Shiina |
| Akimi Yoshida | Original Story |
| Shinobu Ohtake | Miyako |
| Mikiya Takimoto | Cinematographer |
| Masumi Nomura | Nurse |
| Yoko Kanno | Composer |
| Hirokazu Koreeda | Editor |
| Fight Seki | Masashi Ogata |
| Saya Mikami | Miho Kaneko |
| Fukiko Hara | |
| Takamitsu Nonaka | |
| Kanako Saitô | |
| Yuki Kimura | Yoshimi Tokuno |
| Yôko Ataka | Shino Yamane |
| Ichirô Ogura | Konno |
| Tokiko Kudô | |
| Takuma Nagao | |
| Kenji Masaki | |
| Masanori Ikemura | |
| Tooru Satô | |
| Sanae Yûki | |
| Mei Maki | |
| Shin Sarashina | |
| Kazuma Shibata | |
| Koi Suzuki | |
| Mito Kaneko | |
| Eiko Saitô | |
| Ryô Takahashi | |
| Yasuhiro Konno | |
| Makoto Konno | |
| Waka Kagayama | |
| Emiko Kudô | |
| Miwako Ôba | |
| Motoyuki Yamada | |
| Takumi Yoshizawa | |
| Yukihito Yoshida | |
| Ikuya Ôta | |
| Haruki Ono | |
| Yûta Fukube | |
| Aya Shirai | |
| Kazuki Nemoto | |
| Yûto Yamate | |
| Yûnosuke Inô | |
| Masaru Ishino | |
| Yasuo Sugimoto | |
| Akiko Ishii | |
| Minoru Furuta | |
| Kazuya Katagiri | |
| Keiji Nakazawa | |
| Toshiko Imabayashi | |
| Hideo Hikita | |
| Yoko Yasumi | |
| Keiko Mitsumatsu | Production Designer |
| Mami Kagamoto | Art Director |
| Sachiko Itô | Custome Designer |
