The eldest son, 22 years old. Height: 172cm. For some reason, he hates Mazeta. He has a strong sense of responsibility and cares for his brothers, but he never directs that towards Mazeta. Everyone calls him Atto-nii.

The second son, 18 years old. Height: 165cm. He is concerned about Mazeta, but he's too afraid of his older brother to do anything. He is good at cooking. Atto calls him Kecha, and everyone else calls him Kecha-nii.

The third son, 16 years old and Akki's twin. Height: 175cm. Speaks with a regional drawl. He hates Mazeta and is particularly harsh towards him. He is very popular. He is caring toward all his brothers except Mazeta. Atto calls him Puri, Kecha and Akki call him Puri-chan, and Chigusa and Mazeta call him Puri-nii.

The fourth son, 16 years old and Pritz's twin. Height: 177cm. He hates Mazeta and treats him coldly. He is bright and friendly to everyone except Mazeta, to whom he is cold and foul-mouthed. His older brothers call him Akki, and his younger brother calls him Aki-nii.

The youngest child, 6 years old. Height: 115cm. He is not blood-related to the brothers; Mazeta found him abandoned as a child and he became part of the family. He is especially loved by everyone. He does not hate Mazeta. Akki calls him Chigu-chan, and everyone else calls him Chigu.