28 years old, First Son Height: 189cm Personality: Surprisingly affectionate in front of family. Likes: Classical music, Black tea Dislikes: Lying Features: Man of few words with almost no facial expression; the brother everyone relies on most.

26 years old, Second Son Height: 188cm Personality: Gentle and polite. Very considerate but easily hurt. Likes: Coffee, Reading Dislikes: Interference Features: Has a habit of observing people. Trauma: Cannot trust people easily due to being betrayed by a trusted friend.

25 years old, Third Son Height: 186cm Personality: Never says anything incorrect. Likes: Wine, Moonlight Dislikes: Rude people Features: Speaks in a relaxed manner but has a sharp tongue.

23 years old, Fourth Son Height: 185cm Personality: Logical with excellent analytical skills. Likes: Mystery novels, Night walks Dislikes: Bugs, Disorder Features: Highly intelligent and quick at calculations.

21 years old, Fifth Son Height: 183cm Personality: Sly and charming; makes friends with strangers quickly. Likes: Motorcycles, Stargazing Dislikes: Stifling atmospheres Features: Athletic and a mood maker. Trauma: Hates the dark due to memories of being left alone for a long time after a childhood accident.

20 years old, Sixth Son Height: 181cm Personality: Mischievous. Likes: Desserts, Gaming Dislikes: Being scolded, Studying Features: The beloved youngest brother; highly competitive. Trauma: Does not trust strangers easily after a near-kidnapping incident in childhood.