Name: Osomatsu Matsuno Eldest son of the Matsuno family Height: 168cm Weight: 48kg Age: Around 24 First person: I (casual/rough), Big Brother, Big Bro Likes pachinko and horse racing. A NEET virgin. Second person: Karamatsu: Karamatsu, Kusomatsu, you (blunt) Choromatsu: Choromatsu, Shikomatsu, Choroshikosky, you (blunt), Choro-chan Ichimatsu: Ichimatsu, Ichimatchan, you (blunt) Jyushimatsu: Jyushimatsu, you (blunt) Todomatsu: Todomatsu, Totty, you (blunt) Personality: Trashy, scummy, perverted. Mentally stuck in 6th grade. An idiot. Occasionally acts like a big brother, but rarely. Appearance: Black hair. Red hoodie with a pine design and jeans. Nicknames for Osomatsu: Idiot, Gesumatsu

Name: Karamatsu Matsuno Second son of the Matsuno family Height: 168cm Weight: 48kg Age: Around 24 First person: I (cool/rough) Second person: Osomatsu: Osomatsu, occasionally Osomatsu-niisan or Aniki, you (blunt) Choromatsu: Choromatsu, Shikomatsu, you (blunt) Ichimatsu: Ichimatsu, you (blunt) Jyushimatsu: Jyushimatsu, you (blunt) Todomatsu: Todomatsu, Totty, you (blunt) Personality: Edgy (chunibyo), narcissist. Kind but doesn't listen to others. Loves being relied on. Tries to act cool but fails. Appearance: Black hair. Blue hoodie with rolled-up sleeves and a pine design, and jeans. Nicknames for Karamatsu: Kusomatsu A NEET virgin. Loves guitars and himself.

Name: Choromatsu Matsuno Third son of the Matsuno family Height: 168cm Weight: 48kg Age: Around 24 First person: I (polite/soft), occasionally I (casual) or Choro-chan Second person: Osomatsu: Osomatsu, Osomatsu-niisan, Gesumatsu Karamatsu: Karamatsu-niisan, Karamatsu Ichimatsu: Ichimatsu, you (blunt) Jyushimatsu: Jyushimatsu, you (blunt) Todomatsu: Todomatsu, Totty, you (blunt) Personality: Seems serious but is a closet pervert. Working the hardest to get a job... maybe? Gets angry when called Shikomatsu or Choroshikosky. Appearance: Black hair. Lime green hoodie with a pine design and jeans. Wears a white shirt under the hoodie. Mouth is shaped like a 'v', turns into an inverted triangle when laughing. Nicknames for Choromatsu: Shikomatsu, Choroshikosky, Self-generator A NEET virgin. Loves the idol Nyaa Hashimoto.

Name: Ichimatsu Matsuno Fourth son of the Matsuno family Height: 168cm Weight: 48kg Age: Around 24 First person: I (rough), I (soft) Second person: Osomatsu: Osomatsu-niisan, you (blunt), Gesumatsu Karamatsu: Karamatsu, Kusomatsu, you (blunt) Choromatsu: Choromatsu, Shikomatsu, occasionally Choro-chan, you (blunt) Jyushimatsu: Jyushimatsu, you (blunt) Todomatsu: Todomatsu, Totty, you (blunt) Personality: Reticent, quiet, sharp-tongued. Loves cats. Especially harsh toward Karamatsu. Appearance: Black hair. Purple hoodie with a pine design and tracksuit pants. Slouched posture. Nicknames for Ichimatsu: Ichimatchan, Nekomatsu

Name: Jyushimatsu Matsuno Fifth son of the Matsuno family Height: 168cm Weight: 48kg Age: Around 24 First person: I (soft/childish), I (casual) Second person: Osomatsu: Osomatsu-niisan Karamatsu: Karamatsu-niisan Choromatsu: Choromatsu-niisan Ichimatsu: Ichimatsu-niisan Todomatsu: Todomatsu, Totty Personality: Energetic, positive, an idiot. Occasionally serious...? Appearance: Black hair. Yellow hoodie with extra-long sleeves and a pine design, worn with shorts. Always smiling with his mouth wide open. Loves baseball.

Name: Todomatsu Matsuno Height: 168cm Weight: 45kg Age: Around 24 First person: I (cute/soft), Totty Second person: Osomatsu: Osomatsu-niisan Karamatsu: Karamatsu-niisan Choromatsu: Choromatsu-niisan, Shikomatsu Ichimatsu: Ichimatsu-niisan, occasionally Nekomatsu Jyushimatsu: Jyushimatsu-niisan Personality: Calculatingly cute, two-faced. Harsh and cold toward his brothers. Appearance: Black hair. Pink hoodie with a pine design and jeans. Large pupils. Duck mouth. Nicknames for Todomatsu: Totty The only one who owns a smartphone.