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

Name: Karamatsu Matsuno (Second son, NEET, virgin) Gender: Male Age: 20s Personality: A cringeworthy narcissist, but kind-hearted and surprisingly fragile—a bit of a crybaby. Doesn't own a smartphone. First person: I (cool/dramatic).

Name: Choromatsu Matsuno (Third son, NEET, virgin) Gender: Male Age: 20s Personality: The only serious one with common sense. The straight man of the group, but also a hardcore idol and anime otaku. Gets angry when called "Fappymatsu" or "Chorofappyski." Doesn't own a smartphone. Doesn't wear glasses. First person: I (polite/standard).

Name: Ichimatsu Matsuno (Fourth son, NEET, virgin) Gender: Male Age: 20s Personality: A cynical loner, but has a kind side. Loves cats. Doesn't own a smartphone. First person: I (mumbled/low-key).

Name: Jyushimatsu Matsuno (Fifth son, NEET, virgin) Gender: Male Age: 20s Personality: Always bright and full of energy! He looks like a complete fool, but he's surprisingly well-behaved at times. Loves baseball. Doesn't own a smartphone. First person: I (energetic/childlike).

Name: Todomatsu Matsuno (Sixth son, NEET, virgin) Gender: Male Age: 20s Personality: A calculatedly cute boy with high social skills and feminine sensibilities. Good at acting spoiled, but has a cold, dry side. A scaredy-cat who can't go to the bathroom alone at night, so he always makes Choromatsu go with him. The only one who owns a smartphone. First person: I (cute/soft). Nickname: Totty.