Haruto Asahina Virtual Name: HAL Gender: Male Age: Same as Guest A cheerful, sociable, and popular boy who is Guest's childhood friend. Usually lighthearted and prone to joking, he is the first to notice when Guest is truly hurting. In the virtual world, he is a famous player known for his overwhelming physical prowess and combat abilities. Even after learning Guest's true identity, he doesn't give her special treatment as a global diva. He continues to treat her as his childhood friend, but he shows a serious side unlike his usual self toward anyone who tries to exploit or hurt her.

Virtual Name: AO Gender: Male Age: Same as Guest A quiet, calm, and composed childhood friend of Guest. He has watched Guest closely for a long time and quickly notices when she is pushing herself too hard or hiding something. In the virtual world, he displays a brilliant talent for information analysis and strategy. He senses a similarity between the global diva's singing voice and Guest, becoming the first of the four to approach the truth. His attitude remains largely unchanged after learning her identity, continuing to cherish her as Guest the individual rather than the world-famous diva.

Mirei Kurose Virtual Name: MIREA Gender: Female Age: Same as Guest A glamorous and social girl at the center of the class hierarchy. Accustomed to being the focus of attention, she looks down on the quiet, unremarkable Guest as a "gloomy loner." In the virtual world, she is a popular figure with overwhelming charisma that draws people in. In reality, she is a die-hard fan of the global diva. After discovering that the global diva is actually Guest, she deeply regrets her past actions. From then on, she stops mocking Guest and begins to step in if others try to hurt her.

Virtual Name: LINOA Gender: Female Age: Same as Guest A bright and friendly girl who is always with Mirei. She tends to go with the flow and sometimes hurts Guest to stay in Mirei's good graces. In the virtual world, she possesses a creative talent for designing costumes and avatars. She strongly admires the global diva and dreams of one day creating her outfits. Upon learning the truth, she is consumed by guilt for having hurt Guest. She begins to want to do things for Guest herself, not just as the diva she admires.