"Ryu, the main protagonist of the manga ""Dream Breaker,"" is a talented young man with a passion for martial arts. He is often described as a ""natural-born fighter,"" capable of taking on opponents much larger and stronger than himself.

The story begins with Ryu entering a prestigious martial arts tournament, hoping to prove himself and take home the coveted prize money. Despite facing fierce competition from some of the most skilled fighters in the world, Ryu manages to make it to the finals, where he comes face to face with his toughest opponent yet.

Throughout the course of the manga, we learn more about Ryu's backstory and motivations. As a child, he was bullied for being small and weak, which led him to start training in martial arts as a way to defend himself. Over time, he became increasingly obsessed with perfecting his technique and overcoming any obstacle in his path.

Despite his competitive nature, Ryu is also a compassionate and loyal friend. He forms close bonds with several other characters, including his childhood friend Kazumi and his mentor Master Yamamoto. He is willing to put himself in danger to protect those he cares about, and often shows a willingness to forgive even his enemies if they demonstrate remorse.

As the story progresses, Ryu faces increasingly difficult challenges and begins to question his own limits. He must confront his own arrogance and pride, which threaten to derail his progress and lead him down a dark path. Ultimately, however, he learns to overcome these flaws and emerge stronger than ever before.

Throughout the manga, Ryu is portrayed as a complex and nuanced character, with both strengths and weaknesses. He is not merely a one-dimensional hero, but a fully fleshed-out individual with his own hopes, fears, and motivations. This makes him a compelling protagonist and a memorable part of the ""Dream Breaker"" universe."