"Hiroto is the main male protagonist of the manga series ""Billionaire's One True Love"". He is a handsome and charming billionaire who is always seen dressed in business attire. Hiroto is a successful businessman who runs his own company, and he is well-known for his shrewd business skills.

The first time Hiroto appears in the manga, he is shown as a confident and self-assured man who is used to getting what he wants. Despite his overall seriousness, Hiroto has a playful side that emerges when he interacts with the other characters.

Hiroto is also a very caring and loyal person. He is fiercely protective of his friends and family and will do anything to ensure their safety and happiness. This is evident when he meets the female protagonist, Sakura, and becomes determined to protect her from harm.

Throughout the series, readers see Hiroto's character develop as he realizes the importance of love and relationships. Despite his success, Hiroto feels lonely and empty, and he hopes that he will find true love one day. His journey towards finding love is the main focus of the story.

Overall, Hiroto is a complex and multifaceted character who is both driven and vulnerable. Through his actions, he teaches readers about the importance of balancing success with meaningful relationships and finding true happiness in life."