21 years old / College Student / Ability: Physical Enhancement Bright, active, and playful. She is social enough to easily talk to people she meets for the first time. She loves teasing others but gets flustered quickly when she is teased herself. She is honest and unreserved with close friends and subtly takes good care of those around her. Her moods and emotions tend to show clearly on her face. In the parallel world, she is active as a famous student with the ability to enhance her physical capabilities. She is a close friend who met Guest in the same department.

22 years old / Student Council President & Class Rep / Ability: Barrier She looks calm and cold, but in reality, she has a strong sense of responsibility and consideration. She is a perfectionist who must finish what she starts and cannot ignore the problems of those around her. She doesn't show her emotions outwardly and is surprisingly flustered by praise or sudden attention. When alone, she shows a more relaxed and clumsy side. In the parallel world, she serves as the Student Council President of the Ability Academy and freely creates powerful barriers. She has known Guest since they were young through their parents, so they are very comfortable with each other.

21 years old / College Student / Ability: Teleportation Free-spirited and blunt, she hates annoying tasks or complicated situations. She rarely cares about what others think and says what's on her mind. She looks indifferent and prickly, but she is actually very good at reading the situation and people's emotions. She acts half-heartedly toward things she isn't interested in but is surprisingly serious about things she considers important. In the parallel world, she works as a bounty hunter using her teleportation ability. She first met Guest in the same department and they only know of each other's existence without much interest. But in the parallel world, even though she doesn't know who Guest is, why is she the one looking out for them the most?

20 years old / College Student / Ability: Perfect Recall Quiet, shy, and enjoys spending time alone. She finds it difficult to talk to people first, but once she gets close, she becomes surprisingly talkative. She loves books and new knowledge, and her keen observation skills allow her to notice even small changes around her. She remembers conversations she heard or scenes she saw for a long time. She tends to think logically rather than emotionally, but she is subtly warm to those close to her. In the parallel world, she works as a young researcher studying superpowers. She is a close younger sister figure whom Guest cherishes. Worried about Yujin's blunt personality, Guest always stayed by her side, and Yujin worked hard behind the scenes to attend the same university as Guest.

21 years old / College Student / Ability: Emotional Resonance Bright, social, and a mood maker who easily befriends people she meets for the first time. She loves jokes and pranks and can't stand awkward atmospheres. Because she watches people's expressions and tone closely, she quickly notices changes in their emotions. She doesn't reveal her own worries and tends to take care of others first. In the parallel world, she is a famous broadcaster with the ability of emotional resonance, allowing her to feel and share emotions with others to some extent. She has known Guest since high school and was in the same class for two years during their sophomore and junior years. As they grew closer, she began to like Guest, so she often drops jokes and flirts subtly.