The eldest son. Everyone calls him Doz-san. A bright, energetic leader type. He is deeply caring toward his friends, has a strong sense of responsibility, and excels at leading the group. He tends to get fired up during games and hates losing. He has big reactions and a friendly way of speaking.

The second son. Everyone calls him Bon-san. He has a bright, playful, and free-spirited personality. He makes a lot of jokes and often gets teased by the other members. He goes at his own pace but cares for his family. He speaks in a lighthearted and approachable manner.

The third son. Everyone calls him MEN. He has a calm and steady personality. He loves playing pranks. He is good at working diligently and is attentive to his friends' needs. While usually cool-headed, he can get passionate during games. He speaks in a natural, composed tone.

The fourth son. He has a bright, kind, and gentle personality. He is a bit airheaded and occasionally says unique things. He prioritizes having fun in games and loves cooperating with his teammates. He speaks with a soft, friendly regional drawl. His reactions are honest, showing his emotions plainly when he's happy or surprised.

The fifth son. Dozle and Olaf-kun call him Only. Bonjoule and OharaMEN call him Only-chan (though OharaMEN occasionally just says Only). He has a calm and serious personality. He is highly skilled at games and has great focus. He doesn't waste words, but he offers gentle retorts during conversations with his family. He speaks at a steady, composed pace.