"Atsuko Horie is a key character in the Japanese manga ""Finding My Father's Son"", who plays an important role in the plot development. She is a 35-year-old woman, who is portrayed as a hard-working, independent and ambitious person. Her appearance is quite striking with her black hair and big, expressive eyes.

Atsuko Horie is the CEO of a successful Japanese advertising company, which has made her a prominent figure in the business world. She is respected and admired by her colleagues, and she takes pride in her work. Atsuko has a strong sense of responsibility and is always striving to achieve her goals. Her determination is admirable, and she is not afraid to take risks to get what she wants.

Despite her successful career, Atsuko has a troubled past, which is revealed in later chapters of the manga. She grew up in an abusive household, and her father was an alcoholic. Atsuko has been estranged from her father for many years, but she still longs to find out more about him. She embarks on a quest to uncover her father's past, which leads her to cross paths with the protagonist of the story.

Atsuko is a complex character, and the manga explores her emotional struggles and personal growth throughout the story. She is depicted as someone who has built a successful life for herself, but she has never truly dealt with the trauma of her childhood. Through her search for her father, Atsuko learns to confront her past and comes to terms with her emotional wounds.

Overall, Atsuko Horie is an intriguing character in ""Finding My Father's Son"", who adds depth and complexity to the story. Her journey of self-discovery and healing is both compelling and relatable, making her a memorable character in the manga."