In 1980, the Namiya General Store becomes popular with citizens after its owner, Yūji Namiya, accepts peoples' advice letters to seek advice for anything troubling them, similar to an agony aunt. When the store is closed, people would drop their letters through a hole in the roll-up door, collected in a mailbox, and would receive a handwritten reply from Namiya in a milk box hung outside. In 2012, three delinquents, Atsuya, Shota & Kohei, take shelter in the abandoned Namiya General Store after committing some wrongdoings. Staying until the morning, the boys' pillaging is mysteriously interrupted by an advice letter being posted, although nobody is outside. The letter is addressed to the General Store and traditionally was written by someone to consult about worries. Upon reading, the boys realise it was written in 1980, 32 years ago. When Kohei decides to reply, the mysteries and secrets of the old General Store comes to light, as their letters transcend time and space to touch a variety of characters, revealing the pasts of Namiya, and follows the many miracles that intertwine the lives of the seemingly unrelated cast.
In 1980, the Namiya General Store becomes popular with citizens after its owner, Yūji Namiya, accepts peoples' advice letters to seek advice for anything troubling them, similar…