On a vast, boundless, and thriving grassland, a snow-white rabbit named Kong Shisan enjoys the peace and beauty of his home. But his tranquil life is shattered when wolves and eagles launch a deadly attack, and Kong Shisan loses his life.
Yet the wheels of fate turn quietly. Kong Shisan gets a chance to be reborn and is bound to an evolution System. Guided by the System, he awakens from his weakness and begins absorbing energy and training diligently. By chance, he discovers a mysterious energy crystal in a huge cave. After absorbing it, he completes his first evolution: his body grows strong and his claws become sharper.
Back on the grassland, Kong Shisan uses his new strength to defeat the wolves that once terrified him. From then on, he keeps growing through interactions and battles with all kinds of animals, learning many skills along the way. When he discovers a mysterious ruin deep in the grassland, however, a powerful force bars his way. To uncover the power and secrets hidden within, he trains hard in a cave and grows stronger. At last, Kong Shisan succeeds in entering the ruin, and a thrilling adventure full of unknowns and challenges begins.