Isaac Thumos, born into the prestigious Thumos family, experienced a beautiful early childhood filled with warmth from his gentle sister, Ishmael. However, when his parents' marriage crumbled due to debts, his mother, Ara, betrayed him by selling him for money. As he entered adulthood, Isaac wore a façade of enjoyment, masking the aggression and pain simmering beneath. Gifted with a unique power from his lineage, his blood could become pure poison, granting him the ability to manipulate emotions