Percival's existence has always revolved around his grandfather and their isolated refuge, God's Finger, perched high above the clouds. Although he cherishes the simplicity of his life, an unspoken desire for adventure resides deep within him. Yet, Percival's world is irrevocably altered when an unexpected intruder, who shares an astonishing connection with him, shatters everything he holds dear.
Left with no choice but to pursue the one who has stripped away his world, Percival embarks on a solitary quest. Along the way, the sheltered young man begins to uncover the vast unknowns of ordinary life. Fortunately, he encounters companions who assist him on this journey. However, the looming question remains: How will they react when they learn about Percival's extraordinary destiny and its profound link to the fate of the world?