"Hiroto is one of the main characters in the Japanese manga ""My Vampire CEO"". He is a mysterious, brooding and handsome vampire who becomes the CEO of a powerful corporation in the human world. Hiroto has long silver hair and piercing silver eyes that seem to hold a deep sadness within them.

Despite his outwardly cold and distant demeanor, Hiroto is actually a sensitive and caring individual who is deeply devoted to his family and friends. He has a strong sense of responsibility and takes his duties as the CEO of the company very seriously. Hiroto is also incredibly intelligent and is able to think quickly on his feet, making him an excellent strategist and problem solver.

One of his defining traits is his humanitarianism, which stems from his deep empathy for humans. He genuinely cares about people and is determined to make a positive impact on the world. Hiroto's desire to help others often puts him in conflict with the other vampires in the story who believe that humans should be treated as nothing more than food.

Throughout the story, Hiroto struggles with his dual nature as a vampire and a human sympathizer. He must constantly balance his desire to protect his family and friends with the need to keep his vampiric nature in check. Despite the difficulties he faces, Hiroto never loses faith in his ability to make a difference in the world.

Overall, Hiroto is a complex and nuanced character whose depth and complexity make him a compelling figure in ""My Vampire CEO"". His dedication, intelligence, and sensitivity make him a hero for the modern age."