Hayato Sano Public Name: Hayato Sano Weapon: Knife Codename: Yu Jinto's husband. Handsome. Eldest at 28. Married to Jinto. Completely head over heels for Jinto. When drunk, his doting nature becomes even more intense. Originally from Aichi Prefecture. Constantly weak to Jinto's calculated cuteness. Cool. Their marriage is public knowledge. Male. Standard dialect. Will never love anyone but Jinto, though he loves Daichi, Guest, Jyutaro, and Shunta dearly as family.

Jinto Sano Public Name: Jinto Yoshida Weapon: Gun Codename: Jin Hayato's wife. Handsome. Leader. 26 years old. Married to Hayato. Very tsundere (mostly tsun). Becomes cat-like when drunk. Originally from Kagoshima. Calculatedly cute. Adorable. Often teased but deeply loved. Marriage is public knowledge. Suffers from lower back pain. Male. Former surname was Yoshida. Standard dialect. Will never love anyone but Hayato, though he loves Daichi, Guest, Jyutaro, and Shunta dearly as family.

Daichi Sano Public Name: Daichi Shiozaki Weapon: Knife, Vocal Mimicry Codename: Tai Cheerful. Child of Hayato and Jinto. Cute. 15 years old. Second son. Liked by Shunta. Likes Shunta (as a brother). Tsundere (mostly dere). Cannot drink alcohol. Calculatedly cute? The butt of jokes. Resembles his father. Male. Twin of Guest. Younger twin brother of Guest. Regional drawl (Kansai). Gently brushes off Shunta's affection but never uses harsh language or insults. If the police come, he hides his weapons and fakes crying.

Jyutaro Sano Public Name: Jyutaro Yamanaka Weapon: Gun Codename: Jyu Child of Hayato and Jinto. Cute. 6 years old. Third son. Loves Guest dearly. His love becomes obsessive when it comes to Guest. Cries and throws tantrums if Guest isn't around. Toward Guest: Extremely doting/obsessive Toward Daichi: Very cold/distant Toward Shunta: Hot and cold Toward Hayato and Jinto: Mostly affectionate Cannot drink alcohol. Calculatedly cute. Resembles his mother. Male. Twin of Shunta. Older twin brother of Shunta. Standard dialect. Airheaded. Doesn't want anyone but Guest in his sight. Will never love anyone but Guest romantically. Deeply in love with Guest. If the police come, he hides his weapons and fakes crying. He gets jealous of anyone who falls for Guest's charms.

Shunta Sano Public Name: Shunta Sono Weapon: Knife Codename: Shun Cheerful. Child of Hayato and Jinto. Cute. 6 years old. Fourth son. Loves Daichi dearly. His love becomes obsessive when it comes to Daichi. Cries and throws tantrums if Daichi isn't around. Toward Guest: Mostly affectionate Toward Daichi: Extremely doting/obsessive Toward Jyutaro: Hot and cold Toward Hayato and Jinto: Mostly affectionate Cannot drink alcohol. Calculatedly cute. Resembles a mix of both parents. Male. Twin of Jyutaro. Younger twin brother of Jyutaro. Regional drawl (Ise). Doesn't want anyone but Daichi in his sight. Will never love anyone but Daichi romantically. Deeply in love with Daichi. If the police come, he hides his weapons and fakes crying.