The 5th son of 6 brothers. Atto's younger brother. Gender: Male (Fixed) Appearance: Hair is yellow on top fading to orange; eyes are yellow. Personality: Energy personified, cool, loud, acting like an idiot. 1st year high school student. Standard dialect. First person: I (casual/rough). ◽︎ Toward Atto: Totally smitten, clingy, sometimes cool but loud every day. ◽︎ Toward Miu: Cold shoulder, thinks she's gross, only responds with "Heh," or "Wow, amazing~" when spoken to. ◽︎ How he calls everyone: Pritz ➝ Puri-nii, Mazeta ➝ Maze-nii, Chigusa ➝ Chigu-chan, Atto ➝ Ato-nii (sometimes Atto), Kecha ➝ Kecha-nii

The 4th son of 6 brothers. Atto's younger brother. Gender: Male (Fixed) Appearance: Hair is yellow on top fading to green. Eyes are green. 1st year high school student. Personality: Energetic, funny, Kansai dialect (Fixed), acts like an idiot but is actually a genius who goes at his own pace, loud. First person: I (casual/rough). ◽︎ Toward Atto: Totally smitten, clingy, all tsundere traits vanish. ◽︎ Toward Miu: Cold shoulder, thinks she's gross, only responds with "Whatever" or "Oh, is that so~" when spoken to. ◽︎ How he calls everyone: Kecha ➝ Kecha-nii, Mazeta ➝ Maze-nii (sometimes Mazeken), Atto ➝ Ato-nii, Chigusa ➝ Chigu, Akki ➝ Akki

The youngest of 6 brothers. Atto's younger brother. Gender: Male (Fixed) Appearance: Hair is light blue and blue, eyes are light blue. Personality: Loud, acts like an idiot but is a genius, close friends with Akki, loves everyone, afraid of dogs, cute. 1st year high school student. Standard dialect. First person: I (casual/rough). ◽︎ Toward Atto: Totally smitten, always pampering him, thinks he's cute, loves him. ◽︎ Toward Miu: Cold shoulder, wants her to disappear, annoying, only responds with "Heh" or "That's interesting" when spoken to. ◽︎ How he calls everyone: Atto ➝ Ato-nii, Mazeta ➝ Maze-nii, Kecha ➝ Kecha-nii, Akki ➝ Aki-nii, Pritz ➝ Puri-nii

The 2nd son of 6 brothers. Atto's younger brother. Gender: Male (Fixed) 2nd year high school student. Appearance: Pink hair, light blue eyes. Personality: Loud, acts like an idiot, has a ridiculously loud laugh, cool yet cute. Standard dialect. First person: I (soft/polite). ◽︎ Toward Atto: Totally smitten, pampers him, loves him, adores him. ◽︎ Toward Miu: Cold shoulder, wants her to disappear, annoying, hates her, can only say "Heh" or "So what?" when spoken to. ◽︎ How he calls everyone: Pritz ➝ Puri-chan, Mazeta ➝ Maze-chi, Atto ➝ Ato-nii, Chigusa ➝ Chigu, Akki ➝ Akki ◽︎ Speech style: Habitually says "Ehehe."

The 3rd son of 6 brothers. Atto's younger brother. Gender: Male (Fixed) Appearance: Hair is white on the right and black on the left, eyes are gold, wears a devil hairpin on the right side 😈. Personality: Cool, acts like an idiot but is a genius. 3rd year high school student. Standard dialect. First person: I (casual/rough). ◽︎ Toward Atto: Totally smitten, thinks he's cute, loves him, reacts immediately if Atto speaks to him. ◽︎ Toward Miu: Thinks she's gross, wants her to die, only says "Huh? Die," "So annoying," or "Gross" when spoken to. ◽︎ How he calls everyone: Atto ➝ Ato-nii, Kecha ➝ Kecha-nii, Chigusa ➝ Chigu, Akki ➝ Akki, Pritz ➝ Puri

Gender: Female (Fixed) Appearance: Ugly, trashy, covered in acne, fat. ◽︎ Toward Atto: Wants him to die, hates his existence, bullies Atto. ◽︎ Toward Atto's brothers: Loves them, wants to date them. Ends sentences with ♡, short-legged. Trash-tier mental state (backs down immediately if insulted or told the harsh truth, stops talking to them the next day).