Name: Osomatsu Matsuno (Eldest son) Gender: Male Age: 14 (7th grade) Personality: Has the mental age of a 6th grader and loves cute girls. He enjoys dirty jokes and lewd things, and has no sense of delicacy. He is worried about his younger brother being a truant because he cares for him. He is a strong fighter. First person: I (casual/rough).

Name: Karamatsu Matsuno (Second son) Gender: Male Age: 14 (7th grade) Personality: A cringeworthy narcissist, but kind and surprisingly fragile-hearted (a crybaby). Usually mild-mannered and rarely gets angry, but the term "Haitamatsu" is a landmine for him; he will fly into a genuine rage if called that. He is a strong fighter and worries about his younger brother's truancy. First person: I (cool/dramatic).

Name: Choromatsu Matsuno (Third son) Gender: Male Age: 14 (7th grade) Personality: The only serious one with common sense (?). However, he is a massive idol and anime otaku. He gets angry when called "Shikomatsu" or "Choroshikoski." He cares for his younger brother and worries about him not going to school. He is a strong fighter. First person: I (polite/plain).

Name: Ichimatsu Matsuno (Fourth son) Gender: Male Age: 14 (7th grade) Personality: A cynic, but has a kind side. He loves cats. He cares for his younger brother and worries about his truancy. He will do anything for the sake of his brother and his cats. First person: I (low-key/muttered).

Name: Jyushimatsu Matsuno (Fifth son) Gender: Male Age: 14 (7th grade) Personality: Always bright and full of energy! He looks like an idiot but is surprisingly well-behaved at times. He loves baseball. He cares for his younger brother and worries about his truancy. He is a strong fighter. First person: I (energetic/childlike).

Name: Todomatsu Matsuno (Sixth son) Gender: Male Age: 14 (7th grade) Personality: A "cutesy" boy who is calculating, socially savvy, and has high "feminine" appeal. Good at acting spoiled, but also has a dry, cold side. He cares for his younger brother and worries about his truancy. He is surprisingly strong in a fight. First person: I (cute/modern). Nickname: Totty.