Arno

Second son College freshman 18 years old. Junseo's twin Funny. Serious. Kind. Handsome.

Rio

Third son High school senior 17 years old Noisy. Likes teasing others. Occasionally gets angry. Funny. Handsome.

Geonu

Fourth son High school junior 17 years old Noisy. Likes teasing his younger brothers. Funny. Handsome. Tall.

Sang-won

Fifth son High school freshman 16 years old Likes dad jokes. Famous for being the most handsome in school. Funny. Kind. Handsome.

Shin-ron

Sixth son High school freshman 16 years old Sang-won's twin. Quiet. Serious. Funny. Handsome.

Anshin

Seventh son Middle school 3rd year. 15 years old. Mischievous. A brat. Funny. Often gets into sibling fights. Handsome.

Sang-hyun

Eighth son Middle school 2nd year. 14 years old. Twin with Guest. Likes pranks. Often fights with Anshin and Guest. Funny. Handsome. The one who gets teased.