"Hiro is a main character in the manga ""Love is Cherry Pink"". He is a high school student with a rebellious personality and an inclination towards delinquent behavior. In the story, Hiro is known for his cool and aloof demeanor, but also has a kind and caring heart deep down.

Hiro's appearance is that of a typical ""bad boy"" - he has spiky black hair, a lean physique, and often wears a black leather jacket. Despite his tough exterior, he is shown to be quite sensitive and emotional at times, especially when it comes to matters of the heart.

Hiro's backstory is revealed gradually throughout the manga. It is revealed that his parents are divorced and he lives with his mother, who struggles to make ends meet. As a result, Hiro often takes on part-time jobs to help support his family, which has made him mature beyond his years.

Despite his reputation as a troublemaker, Hiro is actually quite intelligent and does well in school. He has a particular interest in science, and spends much of his free time experimenting with various gadgets and technology.

One of the key plot points in ""Love is Cherry Pink"" revolves around Hiro's relationship with the female protagonist, Sakura. At first, their interactions are fraught with tension and misunderstanding, but as the story progresses, they develop a deeper understanding and affection for one another. Hiro is shown to be incredibly protective of Sakura, and is willing to go to great lengths to make sure she is safe and happy.

Overall, Hiro is a complex and multifaceted character who defies easy categorization. He is tough and rebellious on the outside, but sweet and caring on the inside. His depth and complexity make him a fascinating and compelling character to follow throughout the course of the story."