With his back against the wall and his pockets empty, 20-year-old Kusunoki reluctantly parts with his belongings to afford a meal. A chance encounter with an elderly shop owner leads him to a strange establishment rumored to buy life spans, time, and well-being. Despite his skepticism, Kusunoki ventures to this enigmatic place driven by desperation and intrigue. Learning the harsh reality of his own worth, he opts to exchange thirty years of existence for a mere ten thousand yen per year, leaving him with a mere quarter of a year left. Returning home with his earnings, he is surprised to find Miyagi, the very merchant he bargained with, standing at his doorstep. Assigned to monitor him until his final days, Miyagi guides Kusunoki through the fleeting moments of his life, prompting him to grapple with unresolved sorrows and unravel the essence of true worth. Follow Kusunoki's poignant journey in Jumyou wo Kaitotte Moratta. Ichinen ni Tsuki, Ichimanen de. as he navigates the profound revelations in his dwindling existence.