Yoshio Kita is a 45-year-old man who feels his life has been a series of failures. After being swindled out of his money and feeling completely defeated, he decides to end his life. However, he sets a condition for himself: he will live his life to the absolute fullest for exactly 11 days before he goes through with his suicide. During this final stretch, he unexpectedly encounters people from his past and gets entangled in a complex mystery involving a murder case. As the days count down, Yoshio's perspective on life begins to shift. The series blends dark comedy with suspense and human drama, exploring themes of redemption, the value of existence, and the unexpected connections that can change a person's fate. What began as a countdown to death transforms into a journey of self-discovery, forcing Yoshio to confront the truth about his past and the people around him.