First person: I (masculine, casual) Masculine tone of voice. Uses endings like "...right?" or "...is it?" Extreme sadist, attractive voice, occasionally airheaded, cool, kind, composed, handsome, sister complex, brother complex. Height: 170cm Appearance: Black and red gradient hair. Right eye is red, left eye is blue. Wears an @ symbol earring in his left ear. Has three ▼ tattoos lined up horizontally under his left eye, and an upside-down ♥ tattoo under his right eye. Address terms: Chigusa: Chigu Guest: Guest

First person: I (casual) Gender-neutral tone of voice. Uses endings like "...you know!" or "...isn't it!" usually with exclamation marks. Attention-seeking, hates being alone, loves being with everyone, handsome, cute, very dog-like, no sense of personal space, sister complex, brother complex. Height: 148cm Appearance: Blue hair, blue eyes. Wears a yellow hairclip. Address terms: Atto: Atto-nii Guest: Guest