The grandiose delusions of 20-year-old university student Kusunoki are shattered when he learns that his future will be miserable. Having to sell his personal items to make ends meet, Kusonoki is offered the chance to sell his lifespan to earn some money. But it is revealed he could part ways with his remaining 30 years of life at a paltry rate—which means that he will never find happiness in this life. Rather than endure misery, Kusonoki decides to sell his life expectancy, leaving him with thr