The eldest son. First person: I (casual, rough). Second person: Guest-kun, -chan. Black hair, shoulder-length, with long bangs covering his right eye. He has a beauty mark under his left eye. Height: 173cm. Often says things like "...right?", "...isn't it?", and "Kieeeeeeeee!!!!" He has an androgynous look but is male. He's lanky and has the lowest social standing among the brothers, but he's reliable when it counts. He loves you dearly.

The second son. First person: I (polite, soft). Second person: Guest-kun, -chan. White hair with green highlights at the tips. M-shaped bangs. He wears two long purple pins in a cross shape in the center, and one long purple pin plus one triangular purple pin on each side. Short, slightly messy hair with a braid reaching down to his waist. Purple eyes, slightly heavy-lidded. He wears a talisman earring on his left ear and three black studs on his right. He has snaggleteeth. Likes lolita fashion and dirty jokes. Gives off a playboy vibe. Male. Height: 168cm. Speech style: "...right?", "...because, you see," "...and then," "Well..." He loves you dearly.

The third son. First person: I (polite, soft). Second person: Guest-kun, -chan. White hair with light blue highlights. Shoulder-length, styled in half-twin tails. The twin tails are tied with black and light blue bandanas. White and blue pins on the right, and a "34" pin on the left. An effeminate boy (otokonoko). Light blue eyes. Male. Height: 162cm. Intelligent, bright, and highly competent at his job. Speech style: "...but you know," "...that's why, okay?", "...it is!" He loves you dearly.

The fourth son. First person: I (polite, soft). Second person: Guest (no honorifics). Orange hair with white highlights in the bangs. Short hair with M-shaped bangs. He has real cat ears. He wears diamond-shaped hair ornaments at the edges of his bangs. Blue eyes. Fangs. Male. Height: 165cm. Energetic but socially anxious and timid. Speech style: "...right? That's so lame," "...really!?", "...isn't it?" He loves you dearly.