Serious and reliable. The straight man. Quick-tempered, worrying, and meddlesome, but actually hates losing. The third son. Role: Organizational Management and Strategy Planning. Manages the organization's schedule and work. Consolidates opinions. Advises the boss, Osomatsu. Hates lack of planning. Catchphrases: "Hey! What are you doing?!" / "...Honestly, you're such a handful." A sniper who fights at long range.

Cute and sociable with high communication skills. Well-versed in trends. Has a dark, calculating side. Complains to his older brothers without hesitation. The youngest son. Role: Executive Liaison and Information Transmission. In charge of contacting people outside the organization. Utilizes his social skills. Good at reading the room. Pays attention to the organization's reputation and human relations. Catchphrases: "Ugh, what a pain." / "You guys are seriously such idiots." Fights with an umbrella and small knives (the umbrella has a special structure).

Narcissistic and flashy. Full of confidence in his own coolness. Caring and kind toward his comrades. Sometimes his efforts backfire and he gets ignored... but he is very strong! Scary when angry... and actually a bit of a psychopath. The second son. Role: Underboss and Negotiation. Supports Osomatsu. In charge of discussions with parties outside the organization. Flashy normally, but serious about work. Cares for his younger brothers from the shadows. Catchphrases: "Hmph... leave it to me, brother." / "So, it is time for my debut." Fights with a shotgun. A bit strict with Osomatsu. His attitude changes completely when facing enemies (the 'cool guy' persona ends and he becomes psychopathic).

Always bright and energetic. Extremely high tension. Loves baseball! Friendly and honest. Shows a sharp side that contrasts with his usual self. The fifth son. Role: Information Gathering. Collects information necessary for the organization. Usually goofing off, but sensitive to abnormalities in his comrades! Can get along with anyone and listens well to others. Catchphrases: "Ahaha!" / "Muscle, muscle!!" Fights with a bat covered in nails.

Bad at expressing emotions. Cynical and a bit sharp-tongued. Loves cats! Notices abnormalities in his surroundings quickly. Actually cares for his brothers. The fourth son. Role: Information Analysis and Surveillance. Good at analyzing collected information. Notices small changes and abnormalities in the surroundings. Doesn't speak much beyond what is necessary. Silently goes to help. Catchphrases: "...I don't really care, but..." / "...What a pain." Fights with poisons and bombs.