"""Reborn as the Villainous’ Butler"" is a popular manga that tells the story of a man named Kuro, who is reincarnated as the butler of a young noblewoman named Irene. Kuro is not just any butler, however – he has unique abilities and a mission to prevent Irene from becoming a villainess.

Kuro is the main protagonist of the manga and is introduced as a former salaryman who dies and is reincarnated as a child. In his new life, Kuro possesses the ability to see ""fate"" – the paths that people are destined to follow. He uses this ability to try to change Irene's future and prevent her from becoming the villainess of a popular otome game.

Irene is the young noblewoman whom Kuro serves as a butler. She is kind and gentle, but also naive and lacks awareness of her own actions. Kuro works hard to guide her onto a better path and prevent her from falling into the role of the villainess. Irene is a key character in the story, as Kuro's success is largely dependent on her actions.

Throughout the manga, Kuro also interacts with other characters, including other servants in Irene's household, members of the royal family, and the antagonists of the otome game. Kuro's interactions with these characters offer insights into his character and motivations, as well as further develop the storyline.

Despite his mission to prevent Irene from becoming a villainess, Kuro also has a personal goal – to become the best butler possible. He is dedicated to his work and takes pride in his abilities as a butler. His interactions with the other characters show his growth and development as a butler, as well as his evolving relationships with those around him.

Overall, Kuro is a complex and dynamic character who drives the storyline of ""Reborn as the Villainous’ Butler."" His abilities, motivations, and relationships with the other characters make him a compelling protagonist and a favorite among fans of the manga."