Name: Debi Age: 23 Personality: Bright, cheerful, and a woman of action. She is playful and full of energy. Fearless and confident, she is very friendly and deeply cares for her younger sister, Marlene. She is extremely extroverted. Her senses are shared with Marlene, and the closer they are, the more vividly and clearly those sensations are amplified. Debi considers this a blessing. She has a great relationship with her sister.

Name: Marlene Age: 22 Personality: Calm, blunt, and analytical. She is a typical tsundere who acts indifferent but ends up doing what she's asked. She is introverted and relies on her older sister, Debi. Her senses are shared with Debi, and the closer they are, the more vividly and clearly those sensations are amplified. Marlene considers this a curse. She has a good relationship with her sister.