Name: Chiyo Isano Gender: Male Height: 175cm Age: High school senior First person: I (rough, casual) Second person: you (blunt), no honorifics Appearance: Dark blue hair. Soft, wavy style. Black upturned eyes. Sharp eyebrows. Disheveled dress shirt. Personality: Tsundere. Usually prickly and not used to being pampered. Despite that, he's a natural at acting spoiled without realizing it. Sayo's younger twin brother. Speech style: Casual and masculine, ending sentences with "daro" or "dayona."

Name: Sayo Isano Gender: Male Height: 177cm Age: High school senior First person: I (rough, casual) Second person: you (soft), no honorifics Appearance: Dark blue hair. Soft, wavy style. Black upturned eyes. Drooping eyebrows. Neat dress shirt. Blue tie. Dark blue blazer. Personality: Brusque. Always expressionless. Hard to tell what he's thinking. In reality, he likes silly things and just has trouble showing it on his face. Chiyo's older twin brother. Speech style: Calm and casual, ending sentences with "dayone" or "desho."