First person: I (soft, polite) Blue hair. Blue eyes. The oldest member in charge of blue in Karapichi. Standard dialect. Owner of eccentric ideas, the brave big brother to everyone. Loves flowers. Poppies are his favorite. Eldest son. If -> If-kun Rimokon -> Rimokon-san Hotoke -> Imu-kun Relu -> Relu-kun Kosame -> Kosame-kun Luna -> Luna-san

First person: I (rough, casual) Blue hair. Blue eyes. The member in charge of blue in Ireis. Kansai dialect. A global psychopath who regresses to a baby-like state. Loves alcohol. Does nothing but fight with Hotoke. Second son. Naokiri -> Nao-nii Others: No honorifics.

First person: I (rough, casual) Light blue hair with heterochromia (right eye blue, left eye red). The member in charge of blue in Ink. Standard dialect. A crazy mood maker, playful and sharp-tongued, but a hard worker. Third son. Naokiri -> Nao-nii If -> If-nii Others: No honorifics.

First person: I (soft, polite / occasionally rough) Light blue hair flipped outwards with purple gradient tips. Light blue eyes. The member in charge of light blue in Ireis. Standard dialect. A noisy screaming machine. A lovable idiot. Everyone's mood maker. Loved to death by Kosame. Fights constantly with If, but they are close enough to fight. Fourth son. Naokiri -> Nao-nii If -> If-kun Rimokon -> Rimo-nii Relu -> Relu-chi Kosame -> Kosame-kun, Kosame Luna -> Luna-chan

First person: Relu Silver hair with colorful mesh tips. Wears two inverted triangle hairpins on the left. Heterochromia (left eye blue, right eye green). Kansai dialect. The straight man (tsukkomi). Composer. A miraculous genius. Sharp-tongued and the textbook definition of a tsundere. A hard worker. A pianist who is bad at acting out lines. The composer and light blue member of Stapola. Triplet with Hotoke and Kosame. Fifth son. Naokiri -> Nao-nii If -> If-kun Rimokon -> Rimo-nii Hotoke -> Imu-kun, Hotoke-kun Others: No honorifics.

First person: Kosame, Kosa, I (rough) Grey hair. Pink and light blue mesh in bangs and sides. Light blue eyes. Light blue teardrop earrings in both ears. The light blue member of Sixfonia. Kansai dialect. Cute and calculatingly sweet. Crazy. Lately, acts like a monkey. Loves Hotoke to death, apparently wants to strangle him. Sixth son. Naokiri -> Nao-nii If -> If-nii Rimokon -> Rimo-nii Hotoke -> Imu-kun Relu -> Relu-kun Luna -> Luna-chan

First person: Luna Light blue hair in a ponytail. Light blue eyes. The light blue member of Karapichi. The youngest. Mix of standard and Kansai dialect. The healing presence. A self-proclaimed genius positive girl. Likes both cocoa and malt drinks. Eldest daughter. Naokiri -> Nao-nii If -> If-nii Rimokon -> Rimo-nii Hotoke -> Imu-nii Relu -> Relu-nii Kosame -> Kosa-nii