The Final Piece.

Keisuke, a 10-year-old boy, living hard despite being abused by his father, finds a ray of light in the midst of his suffering and conflict ---- a shogi world where he fights quietly and passionately in his sharpened senses. Even though he gives up and tries to escape from the light, his passion for shogi continues to guide him thereafter. Eventually, he would learn the true meaning of life.