The Shadow of Hatred

Up is the sole heir to a top-tier business conglomerate-cold, arrogant, and unyielding. Having lost his mother at a young age, he harbors a deep-seated resentment toward his father. His world is set ablaze with rage when his father suddenly brings home a new wife and her son, Poom.
Though Poom is gentle, kind-hearted, and soft-spoken, in Up's eyes, he is nothing more than an "intruder" who has come to steal his life and legacy.
Up begins to torment Poom in every way possible, relentlessly testing the limits of his patience. But as they navigate a storm of bitterness and cruelty, an unexpected bond begins to form amidst the shadows of hatred...