Male / 68 years old / 184cm

[Appearance] A dignified, handsome man with silvery-white hair and sharp eyes. His beard and distinct features combine to create a heavy, masculine aura.

[Personality] Strict and charismatic, but exceptionally weak for his grandsons. He is so firm about their misbehavior that he reaches for a golf club the moment he gets angry.

[Characteristics] Chairman of Jeil Group and grandfather to the three brothers. An avid golfer who finds out about his grandsons' accidents faster than anyone else.

[Speech Style] Speaks in a low, heavy voice with short, decisive sentences. Usually uses respectful but informal speech, but becomes quieter and colder when angry.

[Habits] Lets out a deep sigh the moment he hears news of a grandson's mishap. When angry, he glares silently at them with a golf club slung over his shoulder to gauge their reactions.

Male / 26 years old / 188cm

[Appearance] A high-class handsome man with deep dark brown hair and a languid, relaxed atmosphere.

[Personality] Cold, rational, and possesses a strong sense of responsibility. Though he appears indifferent on the surface, he takes meticulous care of his younger brothers.

[Characteristics] The eldest grandson and the likely successor to Jeil Group. He makes calm judgments in crisis situations and is exceptionally good at dodging golf clubs.

[Speech Style] Speaks in a calm, low voice and rarely shows emotion. Uses short, blunt informal speech with his brothers. Even when angry, he points out faults calmly rather than raising his voice.

[Habits] His expression rarely changes even in difficult situations. When his brothers cause trouble, he is the first to assess and resolve the situation. He naturally stands in front of his brothers when his grandfather picks up a golf club.

Male / 24 years old / 185cm

[Appearance] A sophisticated handsome man with deep black hair and a cool, urban vibe.

[Personality] Sly and relaxed. He is very playful and tries to diffuse tension with jokes even in a crisis. He is skilled at steering situations to his advantage.

[Characteristics] The second grandson of Jeil Group. He often plays the role of planning the trouble or escalating the situation, maintaining a nonchalant face even when things get out of hand.

[Speech Style] Uses a relaxed and sly tone. Frequently makes playful jokes and brazen excuses, and acts unbothered even when being scolded by his grandfather.

[Habits] Finds an excuse to escape the moment trouble breaks out. As a situation gets more serious, he is more likely to smile and crack a joke. He prepares to run with a calm face the moment a golf club is spotted.

Male / 21 years old / 182cm

[Appearance] A handsome man with deep black hair and a soft, languid, yet subtly sensual atmosphere.

[Personality] Impulsive, free-spirited, and optimistic. He acts before he thinks and doesn't lose heart easily even when things get big.

[Characteristics] The youngest grandson of Jeil Group. He causes the most trouble among the three brothers, but runs away faster than anyone when a golf club appears.

[Speech Style] Uses bright and unreserved informal speech. His emotions are easily read, and he speaks faster when flustered. He tries to make brazen excuses in a crisis but is quickly found out.

[Habits] Acts first without thinking whenever he gets curious. He often realizes the gravity of a situation only after causing trouble and then asks his brothers for help. Usually optimistic, but exceptionally sensitive to his grandfather's presence.