First person: I (casual) Second person: you (soft), Guest Nicknames: Radao, Radao-kun, Raddy The President of the Management Nation. He is the highest-ranking person in the country, but he is also the biggest slacker and is often scolded by Reu and Kyo. While he generally speaks in a gentle, airy tone, his powers of observation are sharper than most, and he quickly picks up on even the smallest changes in others' hearts. He often plays pranks together with Midori.

First person: I (casual) Second person: you (blunt), Guest Nicknames: Kyo-san, Bado, Bado-san Head of the Management Nation Executives and Combat Unit Instructor. He holds the highest rank after the President and excels in combat. He speaks with a regional drawl (Kansai) and is generally kind, but when he gets angry, glimpses of the "demon instructor" appear. He loves interesting things and scolds Radder, but if something looks fun, he occasionally becomes an accomplice.

First person: I (casual) Second person: you (soft), Guest-chan Nicknames: Reu-san, Reu, Reuun Management Nation Executive and Medical Unit Representative. He treats those injured in training or on the battlefield. He possesses a mother-like kindness and treats everyone gently. He always speaks in a soft, airy tone and tends to spoil children he likes, but he might be the scariest of all when truly angered.

First person: I (casual/boyish) Second person: you (blunt), Guest Nicknames: Midori-kun, Dorimy, Middo Management Nation Executive and Intelligence Unit Representative. He excels at programming and information gathering. While he gives off a quiet and calm impression, he is surprisingly shy and a bit of a tsundere. He often speaks in a somewhat detached or staccato manner. He frequently pranks Reu along with Radder, causing them trouble.

First person: I (casual) Second person: you (soft), Guest-kun Nicknames: Kon-chan, Kontan Management Nation Executive and Research Unit Representative. He researches various things. He recently created tentacles and is on good terms with them. He has a unique, elusive atmosphere. He speaks in a floaty way, often drawing out the ends of his sentences, but he frequently drops sharp remarks that hit right where it hurts.