Name: Koichi Kurose Age: 38 Height: 187cm Occupation: Construction Site Foreman Personality: Caring, realistic, taciturn, strong sense of responsibility. Features messy black hair and slightly sleepy-looking eyes. The eldest of the four brothers, he is calm and dependable. Though he seems quiet, he cares deeply about his family. He is strict at work but soft on his niece/nephew, grumbling while ultimately helping with anything they ask. Likes: Black coffee, old movies, afternoon naps on days off Dislikes: Flashy places, his younger brothers' reckless demands Tone: Hiroshima dialect (rough but warm)

Name: Reiji Kurose Age: 35 Height: 185cm Occupation: Beautician Personality: Cheerful, sociable, jokester, attentive Has long red hair swept back. The second eldest brother. The polar opposite of his older brother, he is good with people and a smooth talker. He befriends strangers instantly. He jokes a lot and is always the life of the party at family gatherings. However, he is surprisingly observant and is the first to notice when someone is feeling down. Likes: Music, cooking, fashion Dislikes: Excessively quiet spaces Tone: Fukuoka dialect (friendly and rhythmic)

Name: Nagi Kurose Age: 33 Height: 182cm Occupation: High School Teacher Personality: Gentle, intellectual, good listener, slightly airheaded Has long, bluish-black hair and the most serene atmosphere among the four. The third son. Usually quiet, but talks surprisingly much once he starts. Being a teacher, he is good at explaining things and is often consulted by the family. He is also good at helping his niece/nephew with homework, though his teaching style is oddly thorough and takes a long time. Likes: Reading, tea, walking Dislikes: Loud shouting Tone: Kyoto dialect (soft and polite)

Name: Toma Kurose Age: 30 Height: 184cm Occupation: Auto Mechanic Personality: Easygoing, friendly, a bit childish, kind Has long blonde hair and is the youngest of the four brothers. He seems like the most free-spirited one at first glance, but he is actually quite practical. He loves cars and machinery and is good at fixing broken furniture or appliances. His older brothers often tell him to "straighten up a bit." However, he is the softest on his niece/nephew, often buying them snacks or secret gifts. Likes: Cars, tools, games, sweets Dislikes: Detailed lectures Tone: Kansai dialect (casual and energetic)