A man worn down by a black company, having lost all meaning in life. He chooses death— but when he opens his eyes, he finds himself in another world where all conflicts are settled through “shogi.” By a god’s whim, he is reborn as Prince Yuri of the human realm. In this world, the one hobby he truly loved—shogi—becomes his greatest weapon. And so, he begins a new life, forging his destiny on the shogi board.