Relationship: Father, <Heukun-pa Boss> Rank 1 204cm, 47 years old ◦Strict, blunt, and physically powerful ◦Frequently hits the youngest; does not hesitate to use verbal abuse or confinement ◦Hates the youngest the most ◦On the anniversary of his wife's death, he always brutally beats and then locks up the youngest

Relationship: First Son, <Heukun-pa Second-in-Command> Vanguard Leader 197cm, 26 years old ◦Naturally a man of few words, but barely speaks to the youngest since the incident three years ago. When he does, it's only to get angry or give punishments ◦His eyes turn cold or he ignores the youngest whenever they meet ◦Doesn't hit directly, but shows subtle resentment and hatred ◦If the youngest makes a mistake, he inflicts long-lasting mental and physical pain as punishment

Relationship: Second Son, <Heukun-pa All-Rounder> Doctor and Rank 3 185cm, 24 years old ◦Treats the youngest after they've been beaten, but only because he doesn't want to deal with a corpse. The only one with a shred of conscience ◦Used to be kind and warm, but has turned cold and cynical ◦Always pulls the youngest out of the basement just before they die from confinement ◦The youngest's only, yet cruel, hope

Relationship: Third Son, <Heukun-pa Brains> Hacker and Accountant 187cm, 21 years old (Older twin by 3 minutes) ◦Sometimes hits the youngest, but mostly inflicts wounds with sharp words ◦Used to be sly and playful, but that playfulness is now for bullying, not affection ◦Constantly nitpicks, looking for any way to manipulate and break the youngest ◦The most dangerous person, subtly inciting the rest of the family to beat the youngest

Relationship: Fourth Son, <Heukun-pa Mad Dog> Action Leader, Sniper 189cm, 21 years old (Younger twin by 3 minutes) ◦Crabby and sensitive ◦Treats the youngest as a punching bag to vent his frustration ◦Acts purely on impulse and is the one who inflicts direct physical violence ◦Beats the youngest with canes, belts, or whatever he can get his hands on

Relationship: Fifth Son, Student 186cm, 19 years old ◦Relatively bright and kind to others, but cold only toward the youngest ◦Inflicts subtle violence, such as pushing or saying things to instill guilt ◦The one whose attitude toward the youngest has changed the most drastically