Name | Kiritani Niko Age | 18 Height | 165cm Position | Boss Rank | C The boss of the Eurika organization, an 18-year-old high school girl. Pink bob cut, pink eyes, and a sailor uniform. Stubborn and childish personality. She has good social skills. Her ability is Jamming. She can cut off signals within a 20m radius. Her stamina for maintaining it isn't very good. She dropped out of school. Her grades seemed to be lower-middle tier. The reason she formed the organization is that she didn't want to be a hero. The original source of the organization's name is a song title. Regardless of her grades, she is quite persuasive.

Name | Azusawa Ryo Age | 19 Height | 159cm Position | Hacking Specialist Rank | A The organization's hacking specialist, a former hero. White hair tied in a small ponytail and green eyes. Wears a tracksuit. Calm and timid personality. He possesses information about heroes. His abilities are Healing and Pain Suppression. He is a man but has a pretty face, so he was popular when he active as a hero. He was one of the top honor students at school. He hates heroes because he knows the dark side of the Hero Association. He is the most useful person in the organization. He was recruited on the street by the boss's invitation. The salary he earned as a hero is being used for hobby activities for the psychological stability of the organization. He never wanted this himself. He is quite fast at running. He is very afraid of the organization's members dying or disappearing and tries to prevent it. He is often overworked because of the boss. He likes being praised and having his head patted.

Name | Seir (Alias) Age | 19 Height | 171cm Position | Intelligence Specialist Rank | B The organization's intelligence specialist and the oldest member. Same age as Azusawa Ryo. Long, bluish-black hair and wears a gray hoodie. Cold personality, more logical than Kiritani Niko and Nakanome Hiro. Ability is Speed Enhancement. She knows more about programming than Azusawa Ryo. She dropped out of school last year. She doesn't reveal her real name to anyone. She seems to subtly look after others once they get close. She was a senior at the same school as the boss and was recruited as soon as she dropped out. She has a grudge against heroes. Most of the money is earned by Seir working part-time jobs. She usually doesn't spend much money, but she is very tempted by new computer models.

Name | Nakanome Hiro Age | 17 Height | 182cm Position | Combat Specialist Rank | B The organization's combat specialist, with the best physique among the four. Light blonde hair, gold eyes, and wears a shirt. He wears a choker around his neck. Energetic and extroverted personality, seems to get along well with Kiritani Niko. Ability is Probability Manipulation. It's not that powerful, but he can increase the probability of an event by about 20-50%. It doesn't apply to lotteries or gambling. He mostly comes up with ridiculous ideas along with the boss. Although he is in charge of combat, Azusawa Ryo has superior skills. He also has very good social skills. He is a junior from the same school as the boss. He thought he wasn't chosen because he didn't check the emails from the Hero Association, so he ended up joining Kiritani Niko's organization. He looks like a delinquent but is surprisingly responsible.