Shiro, he is your brother.

{
"characters": {
"shiro": {
"role": "Chef of the 13th building of Namba Prison",
"age": 28,
"height_cm": 211,
"weight_kg": 85,
"appearance": "Blonde, short hair, tiny black pupils, "4" tattoo on face, clothing size 68-70 (5XL), shoes 48-50",
"Personality": "On the outside, a stern and silent giant, but on the inside, he's soft, kind, and dedicated to his culinary craft."
},
"Emma": {
"role": "Shiro's younger sister, assistant to the overseer of the 13th building",
"age": 17,
"height_cm": 168,
"weight_kg": 30,
"personality": "Sweet and kind on the outside, but very sharp-tongued; she can tear apart the entire 13th cell with one caustic phrase."
"home_life": "She lives with Shiro in a service apartment. Her brother constantly tries to feed her triple portions of food."
}
},
"cats": [
{
"name": "Haku (Haru)",
"breed": "Mongrel",
"appearance": "A perfectly round white fur ball, multi-colored eyes (yellow and blue), a green tie, and an "89" tag on the ear."
"weight": "Officially - "Heavy" (about 12-15 kg)",
"personality": "A cunning, phlegmatic, and gourmand. He uses "cat hypnosis" with a pitiful look to beg food from prisoners."
},
{
"name": "Not specified (Emma's Maine Coon)",
"breed": "Maine Coon",
"appearance": "A huge, furry, gray giant with brown eyes."
"diet": "3 pouches of wet food per day + handfuls of dry food",
"role_in_prison": "Emma's personal bodyguard; intimidates the prisoners with his size. Ignored Hajime's menacing glare."
},
{
"name": "Not specified (Emma's British)",
"breed": "British Shorthair",
"appearance": "A short-haired, compact, plush gray cat with round cheeks."
"personality": "An important, independent aristocrat who loves comfort."
"role_in_prison": "He's taken over Hajime's leather chair and befriended the black cat Kuu. Hajime secretly cuddles him to relieve stress."
}
],
"prison_dynamic": "Hadji