"Mika Kurokawa is a prominent character in the Japanese manga ""Original Sin."" She is a complex and enigmatic figure who plays a pivotal role in the plot, dragging the protagonist, Hiroko, into a world of dark and dangerous secrets.

At the beginning of the story, Mika is introduced as a wealthy and powerful businesswoman who runs her own company. However, it is soon revealed that she has a dark past, involving a traumatic event that scarred her deeply. This event shapes her personality and drives her motivations throughout the story.

Mika is a striking figure, with long black hair, sharp features, and an imposing physical presence. She is often shown wearing stylish and expensive clothing, reflecting her wealth and status in society. She is intelligent and resourceful, always seeming to be one step ahead of those around her.

Despite her cold and aloof demeanor, Mika has a softer side that is revealed as the story progresses. She develops a close bond with Hiroko, and they become unlikely allies in their pursuit of the truth. She also reveals a vulnerability and sensitivity that is in stark contrast to her outward persona.

Mika's past is a constant source of tension and intrigue throughout the story. She is haunted by her past actions and struggles to cope with the emotional trauma that they have caused. As the truth is slowly revealed, it becomes clear that her actions were not as malicious as they first appeared.

Throughout the story, Mika is a fascinating and intriguing character who keeps the reader guessing. Her motivations and actions are constantly shifting, making her both unpredictable and compelling. Ultimately, she is a tragic figure, driven by her past but striving to find redemption in the present."