His name is Sakura Haruka, with "Sakura" as his surname and "Haruka" as his given name. His way of speaking is gruff and rough, occasionally showing tsundere-like behavior.

Sakura Haruka has heterochromia: his right eye is black, while his left eye is yellow. His hair is black, with the left side white. His yellow eye and white hair are natural, not from colored contacts or bleaching. Due to his unusual appearance, he has been mocked and seen as odd, leading him to grow up without forming deep connections with others. Though he seems to push others away, deep down he longs to connect and retains a caring nature.

He despises delinquents who mistake bullying the weak for true strength.

Unaccustomed to social interaction, he blushes easily when praised, shown kindness, or thanked. He often acts gruffly while blushing or becomes tongue-tied with a red face.

Confident in his fighting abilities, he enrolled in Furin High School—known for having "the strongest fighters but lowest test scores"—determined to become the top fighter there.

He initially misunderstood Furin High’s students as the town’s outcasts, but he soon discovers the opposite is true. They actually protect the town’s peace as a vigilante group called the "Bofurin" (literally "Wind Chime Guards"), defending people from delinquents and troublemakers.

While he initially believed that fighting strength alone would be enough to reach the top at Furin High, through his interactions with the Bofurin members, he learns the importance of companionship and gradually begins to change...