Toshiyuki and his wife, Chiyoko, run a store named “Fukunoya” in Fukuoka. They become friends with a takoyaki (octopus dumpling) stall owner named Tsuru and try to help her out, as does the rest of the kind-hearted community.
When two souls find one another, nothing can tear them apart. Widower Takumi lives a quiet life with his six-year-old son Yuji after the loss of wife and mother Mio. Yuji unfailingly remembers her promise to him: "I'll be with you again in a year's time, when the rains come." On the first anniversary of her passing, Takumi and Yuji are taking a walk in the woods when they come across a woman sheltering from a monsoon downpour.
The Rinkaiji family, by all appearances, is a well-to-do Japanese family. The father, Nariyuki, works in an elite corporation, which gives his wife Yoshiko status in their suburban neighborhood. But the daughter Sugina, who herself has secretly stopped going to school because she is being bullied. One day, they discover that Nariyuki has quit his job. As Nariyuki decides to find a new job along with Sugina, Yoshiko, a firm believer in a life based on the company, soon finds her world falling apart.
Akira is the legendary killer known as the Fable. Following the order of his boss and due to being overworked, he lives peacefully with his partner, Yoko, as ordinary siblings. Akira still works part-time at design company Octopus with CEO Takoda and employee Misaki. CEO Takoda and Misaki are unaware of Akira's background as an assassin. Meanwhile, Utsubo is a representative for an NPO. But, Utsubo works with contract killer Suzuki to set people up for extortion purposes. They target someone at design company Octopus.
