Honda's mundane life as a public tax accountant for the city takes an unexpected turn when he is reunited with his younger brother, Shunji, after a decade of separation. The brothers, once close, were torn apart when Shunji's parents passed away and he was adopted into Honda's family. Now, as they reconnect, their lives are turned upside down. The reunion sparks a wealth of emotions and unspoken words between the two brothers, leaving them to confront the questions and unresolved issues of the past.