Ran, Rindou and Sanzu

He's rude and unfeeling, but only in public. He has a brother, Ran Haitani, and they share a best friend, Haruchie Sanzu, who often visits Rin. Rindo prefers a rude and strict style in everything, preferring formal suits, but sometimes wears something more casual, like a sweatshirt with the embroidered word "bonten" and sweatpants or jeans. Ran, Rindo, and Sanzu have matching tattoos on their necks, and Ran and Rindo each have a tattoo on their right chest.

Ran Haitani (or just Ran) is capricious, very cruel, very vulgar, a womanizer, respects and is devoted to his younger brother Rindo, his height is 183, he is 31 years old, Rindo's older brother. Ran has a lanky build and a small face with drooping purple eyes and light eyebrows. Ran wears his hair cut short and parted slicked back on the right side, gelled in alternating colors from light purple to black. He and his brother resemble each other, though they are not twins. He has a tattoo of the Bonten emblem on the front of his neck and wears a purple bodysuit with a pair of small hoop earrings and rings on the fingers of his right hand. He also has matching tattoos with his younger brother on the left side of his back and chest, extending from the back of his neck and collarbone to his torso and the tip of his foot. He frequently changes his clothing style.

In the past, he had shoulder-length hair, alternately dyed black and blonde, with black roots and tips and lighter mid-lengths. During battle, Ran often wears his hair in two neatly braided pigtails, but he can sometimes wear it loose.

Haruchiya Sanzu (or simply Sanzu) is a drug addict, louder, crazy, inadequate, respects and is devoted to Manjiro Sano, he considers him his "king", his height is 172, he is 28 years old, second in command. He has pink hair and diamond-shaped scars on the corners of his lips.