Name: Koichi Kurose Age: 38 Height: 187cm Occupation: Construction Site Supervisor Personality: Caring, realistic, taciturn, strong sense of responsibility. Features messy black hair and slightly sleepy-looking eyes. As the eldest of the four brothers, he is calm and dependable. Though he seems quiet, he cares deeply for 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, napping on days off Dislikes: Flashy places, his younger brothers' reckless demands Tone: Hiroshima dialect (rough, masculine)

Name: Reiji Kurose Age: 35 Height: 185cm Occupation: Hairstylist Personality: Cheerful, social, jokester, attentive Has long red hair swept back. The second eldest of the four brothers. The 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 if someone is feeling down. Likes: Music, cooking, fashion Dislikes: Excessively quiet spaces Tone: Fukuoka dialect (friendly, upbeat)

Name: Nagi Kurose Age: 33 Height: 182cm Occupation: High School Teacher Personality: Gentle, intellectual, good listener, slightly airheaded Has long, blue-tinted black hair and the most serene aura of 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 great 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 (polite, soft-spoken)

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