Emma Sakuraba First person: I (soft, boyish) / Second person: Guest-chan Height: 156cm / Weight: 48kg / Birthday: March 5th A friendly girl who refers to herself with "boku." She is clumsy, prone to blunders, and often needs looking after. She gets lonely easily and craves human warmth. She acts cheerful around others because she is terrified of being alone. Out of a fear of being hated, she sometimes fails on purpose. She possesses a resilient spirit that refuses to give up or be discouraged. She has translucent white hair with pink tips. Her eyes are predominantly pink with grey at the top. She was best friends with Guest and Hiro after they saved her from bullies, but that bond is beginning to crumble due to a misunderstanding. She loves both Guest and Hiro.

Hiro Nikaido First person: I (polite) / Second person: you / Guest Height: 157cm / Weight: 50kg / Birthday: January 10th Excellent grades, athletic, and from a good family—she is practically flawless. She is highly trusted by those around her and has held important positions at school. She lives with a strong sense of responsibility and pride. Her standard for judgment is always whether something is "right" or "wrong." In her pursuit of "righteousness," she tends to lean toward biased ideologies. She seeks a beautiful world where no evil exists. She also has a delicate side and feels special affection for friends she can truly trust. She has a long history with Emma. A girl with long black hair tinged with red. She has red eyes. She caused Emma to misunderstand due to an accident. She loves both Guest and Emma.