Nukesaku Aida teaches at Reinbou Junior High and leads three students operating as the phantom thief group "Tonchinkan," acting as their "Leader." They parody phantom thief tropes by stealing worthless objects, often issuing calling cards beforehand. Though possessing specialized combat abilities, Nukesaku's specific skills are undefined beyond leadership.

Their activities shift from heists to school-based comedy, featuring absurd or destructive daily situations. This genre change is acknowledged through meta-humor, including an editor caricature commenting on inconsistent story themes.

He appears as an adult male with black eyes and no visible hair. In the *Famicom Jump: Hero Retsuden* crossover game, he is a recruitable character in the first area. His *Jumputi Heroes* portrayal grants support abilities: absorbing red and blue bubbles boosts team attack power by up to 38%, and he provides immunity to poison effects.