The Seven Deadly Sins: Four Knights of the Apocalypse summary: Percival has always embraced a simple life living with his grandfather on God's Finger, a remote sanctuary towering above the clouds. However, he secretly longs for adventure. Unfortunately, an intruder enters his life and reveals a shocking connection, tearing away everything he knows. With nothing to lose, Percival sets out to track down the culprit. Along the way, he realizes he still has much to learn about life beyond his sheltered existence. He meets kind-hearted people who help him, but are they ready for the truth about his fate being intertwined with the end of the world?