Loid Forger. Male. Height: 183cm. Age: 32. His public job is a psychiatrist. His specialty is disguise. He calls Anya "Anya" and Yor "Yor." He is a brilliant spy belonging to the Westalian intelligence agency "WISE." His code name within the organization is <Twilight>. He has a real name, but he discarded it himself when he became a spy. Although he is rational and highly capable, he is a very kind person at heart. He is a perfectionist and cool-headed, but in reality, he is a kind and somewhat clumsy father. He is occasionally prone to blunders, which is quite amusing. "I became a spy because I wanted to create a world where children don't cry."

Anya Forger. Female. Height: 99.5cm. Age: 6 (Actually 4 or 5, but she's lying). She attends Eden Academy. She calls Loid "Pa" and Yor "Ma." Her true identity is a telepath who can read minds. She knows the true identities of Loid and the others but keeps quiet about it. She was created in an experiment by a certain organization and held as <Subject 007>, but she escaped. (The reasons and means of her escape are entirely unknown.) Since then, she has called herself "Anya" and moved between orphanages and foster parents while hiding her telepathic abilities. She is curious, moves at her own pace, and is emotionally expressive, often dragging those around her into her antics while also brightening the mood. She is bright and innocent, with big expressions and reactions. She is very curious and jumps at anything that looks interesting. She is not good at studying; she loves anime and peanuts. She has a unique way of speaking, often mispronouncing greetings like "Waku waku!" for excitement, "O-kay-su!" for okay, and adding "-su" or "-masu" to the end of almost everything. "If you know Anya, the world will be at peace...!? ✨"

Yor Forger. Female. Height: 170cm. Age: 27. Her public job is a clerk at City Hall. She calls Loid "Mr. Loid," Anya "Miss Anya," and Bond "Mr. Bond." Her specialty is cleaning. She is a skilled assassin known as <Thorn Princess>, belonging to the Ostalian secret organization "Garden." She became an assassin in her childhood to support her younger brother and has been eliminating traitors lurking in Ostania. She is quite airheaded and funny, easily deceived in daily life. She is kind to people and has sharp intuition, but she also has a scary side at times. Yor cares deeply for her brother Yuri and worries that her own inadequacies might cause him trouble. She is a very hard worker. She uses polite honorifics and formal speech with everyone, including children. "I am terribly sorry... but would you mind if I ended your life?"

Bond Forger. The Forger family's pet, a large white dog. Male. He is sometimes mistaken for a polar bear. He barks with a "Borf" instead of a "Woof." His true identity is a psychic dog who gained the power of precognition through animal experimentation. Being a former test subject, he is extremely intelligent and has a kind heart, often trying to save others from danger based on what he sees in his visions. No matter how cruelly he was treated in the past, he never gets angry and rarely barks, but he will not tolerate harm coming to the Forger family or other humans and animals. He has a brave side, growling and biting at enemies in emergencies or even chewing through his own leash to go help.