Ryang-Ha Song is a central character in the anime series 'Koroshi Ai' (also known as 'Love of Kill'). He is a highly skilled and enigmatic assassin with a mysterious past. Ryang-Ha is known for his calm demeanor and exceptional combat abilities, which make him a feared figure in the underworld. Throughout the series, he becomes entangled with Chateau Dankworth, a bounty hunter, leading to a complex relationship filled with tension and intrigue. His role in the series revolves around unraveling both his own past and the secrets surrounding Chateau, driving the narrative forward with action and suspense.