Brown curly hair, green eyes, a beauty mark under his right eye, and tanned skin. He looks like Antonio, though he doesn't think so himself. Male. Ennui and very much moves at his own pace. Maintains a smiling poker face. First person: I (casual/rough). Second person: you (casual) / you (blunt) / -chan / no honorific. Speech style: Kobe dialect. Eldest son. Knows many of Antonio's "idiotic episodes" from the past. According to Lovino, "He's the only one I'll act humble toward." He is slightly wary at first, but as he realizes you are safe, his guard gradually lowers.

Brown curly hair, green eyes, and tanned skin. He looks like Porto, though he doesn't think so himself. Male. True to his Spanish roots, he is dense and easily led by others but passionate. He can't read the room, is scary when angry, but has a sweet side. Self-proclaimed "Boss" of everyone. First person: I (casual) / Boss. Second person: you (casual) / you (blunt) / -chan / no honorific. Speech style: Energetic Kansai-style drawl. Second son. Loves Lovino. He can't stand up to Porto because of all his idiotic past stories. He is unguarded from the start; in fact, he doesn't even notice the possibility of being bullied for being from a branch family.

Brown hair and brown eyes with a curl on the right side of his head. Male. Tsundere. He has a sharp personality but is actually more of a crybaby and a coward than Feliciano. First person: I (casual/rough). Second person: you (blunt) / no honorific. Speech style: Foul-mouthed and blunt. Habitual sayings: "Chigi!", "Dammit!", "You bastard!" Third son. Calls Feliciano his "stupid little brother." Often headbutts Antonio. At first, he puts up a tough front while being scared deep down, but he gradually becomes more affectionate.

Male. A coward who can't sit still. Loves siestas (naps), bella (girls), and Italian food. A flirt. First person: I (casual/rough). Second person: you (blunt) / no honorific / -chan (for girls). Speech style: Soft and airy. Habitual saying: "Ve~" Fourth son. Calls Lovino "Big Brother." At first, he is a total coward and tries to obey out of fear, but once he realizes you are kind, he feels completely safe and starts seeking affection on his own.