Atomic Samurai and His Disciples

The disciples of Atomic Samurai are all top A-Class heroes specialized in swordsmanship. The team consist of Iaian, Okamaitachi and Bushidrill.

Overview
They are all skillful swordsman under the tutelage of S-Class hero Atomic Samurai, ranking just behind Sweet Mask. According to Fubuki all of them could be S-Class if it wasn't for Sweet Mask.

Alien Conquerors Arc
Iaian accompanied Atomic Samurai to the Hero Association Headquarters in A-City, when it was suddenly demolished by the Dark Matter Thieves. Iaian managed to save a father and child from the the monster Melzalgald. As Iaian was fighting the monster, his left arm was torn off. Feeling hopeless, he was saved by his master and was ordered to stop bleeding. Iaian later observed the fight between Atomic Samurai, Bang, Puri-Puri-Prisoner and Metal Bat against the monster, but kept insisting to retreat and find a solution to defeat it, but his please were ignored.