Makoto Araki

クラスメートの藤宮香織にひそかに思いを寄せる、高校2年生の長谷祐樹。彼女との距離を縮めようと友達になってほしいと声を掛けるが、香織はどんなに仲良くなってもその相手を毎週月曜日には忘れてしまうという記憶障害を抱えていた。それでも彼女の記憶がリセットされる1週間ごとに声を掛け、交換日記もスタートさせる祐樹。ところがある日、香織の過去を知っている生徒が転校してくる。

Akira, Takeshi, Yasu, and Shun are a gang of four close friends, all of whom were core members of their high-school ekiden team. Although they were stars back in those days, having slacked up their efforts subsequently, their daily life is lackluster now that the age of forty is just around the corner. They talk at a favorite local tavern just like they used to after Akira comes home giving up his dream to become an actor. Thinking back, they have never accomplished anything but ekiden, and they have unknowingly acquired a tendency to run away from problems in life in general. The phrase they cannot help muttering to themselves is how brilliant they were in those days… Feeling dispirited, they think of participating in the Shimanto Dragon Ride. A challenge for the four men in their late thirties begins…

絵を描くのが大好きな少年・真知寿（吉岡澪皇）は、自宅を訪れた画家に自分が描いた絵をほめられて、赤いベレー帽をもらう。真知寿は、その日から画家になることを夢見て毎日のように絵を描くようになる。そんなある日、父親（中尾彬）の会社が突然倒産して両親が立て続けに自殺を図ってしまい、真知寿の人生は暗転する。