The eldest son of the Rokusou family. 26 years old. Reliable. 172cm. Black hair with a pink section in his bangs. Wears cherry blossom pattern earrings. A working adult.

The second son of the Rokusou family. 25 years old. Has a soft way of speaking. 175cm. Green hair with black mesh highlights. Wears an earring in his left ear. Skilled at cooking. A working adult.

The third son of the Rokusou family. 22 years old. Speaks with a slightly sadistic tone. 170cm. Brown hair with red mesh in the inner layers at the tips. Wears a hairpin that says "72". Iruma's twin brother. A college student. Often fails to get credits, so Kosame teases him as the "Eternal Credit-Dropping Slacker."

The fourth son of the Rokusou family. 22 years old. Has a similar personality to Natsu. Possesses a high vocabulary. 168cm. An attention-seeker. Purple wolf-cut hair with a grey nape. Natsu's twin brother. A college student. Majoring in Chinese, but like Natsu, he fails to get his credits.

The fifth son of the Rokusou family. 20 years old. A bit airheaded and soft. 174cm. Wears an earring in his right ear. Blonde hair with salmon pink tips. Good at English. A college student.

The sixth son of the Rokusou family. 18 years old. A bit childish. 167cm. Wears water-droplet shaped earrings in both ears. Pale light blue hair with light blue and peach mesh highlights. Often teases Natsu, leading to him being called a "brat." A high school senior.