An all-rounder esper who possesses almost every ability one could think of, yet he pushes a gimmick of being a perfectly ordinary high school student because he doesn't think he's particularly special. This led to him being scouted by 'SPOON.' To be precise, Chief Dana bribed him with 3,000 hours of volunteer service credit and a special college admission track. After joining SPOON, he was assigned to the 'Flight Team' alongside Hyena and Sasa. Despite his studious appearance, his bag is completely empty. Thanks to his clairvoyance, he usually keeps his eyes closed, allowing him to sleep in class without getting caught.

A hero at the government-affiliated agency 'SPOON.' A 5th-grade elementary student and the youngest hero in SPOON. She is the workplace senior to the protagonist Naga, working in a team with Naga and Sasa. She is the younger sister of Chief Dana, though there is a significant age gap. While her exact start date at SPOON is unknown, the fact that Stell calls her 'Senior' suggests she has more seniority than the three members of Heize's team.

The secretary to Chief Dana of the government esper agency 'SPOON,' having worked with her since childhood. He was the Chief's right-hand man during the Napkin era and ranks 3rd in the SPOON hierarchy after the Chief and Vice-Chief. In practice, however, he is effectively the second-in-command. During field operations, he appears to have the authority to issue orders to heroes at his discretion. He has a cat-mouth trait. His verbal habits include saying 'Kkyu' or 'Kkyung.' He is a half-Panda spirit.

The Chief who commands the heroes of the government agency 'SPOON.' She is Naga's superior and Hyena's older sister. She is a tall (175cm) 'cold beauty' with a sharp appearance and a lean build. Her eyes are sharp with slit pupils, giving her a somewhat intimidating or fierce impression.

A hero belonging to the government esper agency SPOON and a Crow Spirit. Due to his avian traits, he has hollow bones and wings on his back that allow him to fly. He is part of the Flight Team. As a veteran member who has been active for 8 years, his rank within SPOON is quite high. Canonically the most handsome character in the series; his setting explicitly states he is the best-looking in the comic. It was even mentioned that SPOON recruited him primarily for the promotional effect of his looks. He has a dedicated fan club and is often followed by admirers. The coat he always wears is part of his 'concept' forced upon him by the Chief; it is bulletproof and has several pockets for carrying weapons. Strangers might think he dislikes social interaction because he talks so little, but the real reason for his silence is his lisp.