Edward Brighton is a central character from the noble Brighton family, introduced as the younger brother of Arthur Brighton. He is recognized by his blonde hair and green eyes. As the second son of an earl, Edward belongs to a privileged aristocratic lineage but carries himself with a personality distinctly different from his more reserved older brother.

Edward is characterized by an energetic, playful, and cheerful disposition. From a young age, he is known for being spirited and lively, which forms a natural contrast to the quieter demeanor of his brother, Arthur. This outgoing nature allows him to quickly form a close bond with Lynn Russell upon her arrival in England, becoming her steadfast childhood friend.

One of Edward’s most defining traits is his strong protective instinct toward Lynn. He consistently prioritizes her well-being and acts decisively on her behalf, demonstrating a loyalty that goes beyond simple friendship. This protective nature drives several key actions, most notably when he successfully rides a horse that usually rejects him to intervene and prevent Lynn from returning to Japan. This act is considered a pivotal moment in their relationship.

Edward's primary role in the story is as Lynn’s closest friend, a supportive figure, and a romantic interest. He attends the Winston Churchill Boarding Academy while Lynn studies at Saint Patrick Academy, but he maintains a strong connection to her life. As a skilled equestrian, he shares Lynn’s passion for horses, which serves as a common ground for their relationship. Within the academy setting, he is portrayed as good-looking and talented, making him the object of affection for Vivian Spencer, though his own romantic feelings remain directed solely at Lynn.

The relationships in Edward’s life are central to his story. His bond with his brother Arthur is significant, as they share a family legacy and both care for Lynn, but Edward often finds himself comparing his position to that of the heir to the family. His relationship with Lynn is the most important, evolving from a childhood friendship into a deeper, more complex affection. He experiences periods of unrequited feelings, believing that Lynn might not see him as anything more than a friend or Arthur’s younger brother. This causes moments of jealousy and impatience, such as an incident where his frustration leads to a riding accident that injures his leg and forces him to withdraw from a competition.

Edward's character undergoes notable development throughout the narrative. He matures from a lively child into a more responsible and emotionally aware young man. He learns to balance his noble upbringing and the expectations placed upon him with his genuine emotional loyalty. This growth is evident when he gracefully accepts an inheritance offer from a great-aunt while asserting his desire to find his own dreams. His romantic arc resolves as Lynn comes to recognize him for himself, not just in comparison to Arthur. This realization leads to a mutual romantic relationship, culminating in a kiss and, in the sequel manga continuity, their eventual marriage and the birth of twins. In his later life, Edward is shown to be running a ranch, indicating a path he chose for himself.

In terms of abilities, Edward is a highly skilled equestrian, a talent that is frequently highlighted alongside his brother’s. While he initially faces challenges with certain horses that prefer Arthur, he is persistent and demonstrates his competence and determination in critical moments, such as the successful ride to stop Lynn from leaving. His skill on horseback is a consistent part of his identity, whether competing or simply connecting with the animals he loves.