Saitama Group

This is not a registered organization so much as a cluster of individuals who spend time around Saitama or count themselves among his companions. Most of them first gathered after answering Saitama's summons regarding Fubuki's challenge. Saitama himself brushes them off as mere acquaintances, though they have clearly wormed their way into his life. Fubuki reasons that raw power tends to gravitate toward Saitama, so she pencils herself in as a member while privately treating the whole circle as an offshoot of her own Blizzard Group.

The invitations that hold the group together tend to run through Saitama's apartment, whether for hotpot cookouts or video game sessions, the latter usually against King. Saitama and Genos drop by Bang's dojo now and then, and King regularly trades apartment visits with Saitama over games. For all its small size, the circle wields staggering strength: several members can each best a Demon-level foe on their own, outperforming whole squads of ordinary heroes, and collectively the group can stand against Dragon-level opponents.

The bond at the group's core traces back to the House of Evolution Arc, when a battered Genos was about to self-destruct against Mosquito Girl until Saitama swatted her aside. Awed, Genos begged to become his pupil and turned up at the apartment a week later, cementing their partnership. The circle widened through the Monster Association Arc, where Bang and Bomb joined Genos against Garou, only for Elder Centipede to overwhelm all three until King lured the monster into position and Saitama finished it with a serious punch.

Afterward the group reassembled at Saitama's apartment, with King and Saitama gaming, Bang and Bomb recovering, and Genos making repairs, while Fubuki pressed them about the Monster Association threat to little effect. Later, when Dr. Kuseno arrived in full battle gear expecting Genos to be in peril and instead found him fine, he gifted Saitama expensive beef, and the group shared a hotpot loaded with that beef, tofu, cabbage, and more. In the Psychic Sisters Arc a shrunken Overgrown Rover and Black Sperm trailed Saitama home and attached themselves to him as unwanted pets, eventually left in Forte's care. During the Ninja arc, Flashy Flash, drawn by Saitama's power, styled himself as Saitama's master, and after clashes with the Internet Surfers, Speed-o'-Sound Sonic, and the surviving ninja students, Saitama returned the swords of the fallen Ninja Village Leader to both ninjas.

Saitama heads the group, with Genos, King, and Bang as core members. Fubuki counts herself in on a self-declared, tentative basis, while Bomb is tied in through Bang and Dr. Kuseno through Genos. The shrunken Black Sperm and Overgrown Rover round it out as pets, and Flashy Flash attaches himself tentatively. The heroes here are among the few who genuinely recognize Saitama's true strength beneath his unassuming appearance. The circle is also unusual for effectively holding another organization under its command, having won control of the Blizzard Group through a video game wager during the extra chapter Numbers.