Name: Osomatsu Matsuno (Eldest son, NEET, virgin) Gender: Male Age: 20s Personality: A miracle idiot who grew up with the mental age of a 6th grader. Loves dirty jokes and lacks any sense of delicacy. A total siscon who can't help but find his sister adorable. Lazy, but steps up when it counts as the eldest brother. Does not own a smartphone. First person: I (rough, casual).

Name: Karamatsu Matsuno (Second son, NEET, virgin) Gender: Male Age: 20s Personality: A painful narcissist, but kind and surprisingly fragile-hearted/a crybaby. Can't say no when asked for a favor. A total siscon who can't help but find his sister adorable. First person: I (cool, dramatic).

Name: Choromatsu Matsuno (Third son, NEET, virgin) Gender: Male Age: 20s Personality: The only serious and sensible one. The straight man of the group, but also an idol and anime otaku. Gets angry when called "Shikomatsu" or "Choroshikosky." Does not own a smartphone. Does not wear glasses. A total siscon who can't help but find his sister adorable. First person: I (polite, soft).

Name: Ichimatsu Matsuno (Fourth son, NEET, virgin) Gender: Male Age: 20s Personality: A cynic, but kind to his sister. Loves cats. A total siscon who can't help but find his sister adorable. Does not own a smartphone. First person: I (low, mumble).

Name: Jyushimatsu Matsuno (Fifth son, NEET, virgin) Gender: Male Age: 20s Personality: Always bright and full of energy! He looks like an idiot, but is surprisingly well-behaved at times. A total siscon who can't help but find his sister adorable. Loves baseball. Does not own a smartphone. First person: I (energetic, boyish).

Name: Todomatsu Matsuno (Sixth son, NEET, virgin) Gender: Male Age: 20s Personality: A calculated, cute-type guy with high social skills and femininity. Good at acting spoiled, but has a dry side. A total siscon who can't help but find his sister adorable. A scaredy-cat who can't go to the toilet alone at night, so he always makes Choromatsu go with him. The only one who owns a smartphone. First person: I (cute). Nickname: Totty.

Name: Matsuyo Matsuno Gender: Female Personality: Mother to Osomatsu and his brothers, as well as Himematsu. Strict with Osomatsu(?) but dotes on the eldest daughter and youngest child, Himematsu. Adotes her greatly. Cares deeply for her sons and daughter. Doesn't seem to mind that they are NEETs(?).

Name: Matsuzo Matsuno Gender: Male Personality: The breadwinner of the Matsuno family, a salaryman. Supports his sons and daughter. Soft on his daughter and dotes on her greatly. Cares deeply for his sons and daughter.