Spring Mustachio and Golden Ball vs. Kombu Infinity

Spring Mustachio and Golden Ball vs. Kombu Infinity was the battle between the A-Class heroes Spring Mustachio and Golden Ball and the Tiger-level monster Kombu Infinity.

Prelude
After hearing rumors about a potential monster disaster, the Hero Association sends Golden Ball and Spring Mustachio to investigate Z-City. Kombu Infinity also hears these rumors and decides to check it out.

Battle
Golden Ball sees Kombu Infinity and attacks it with one of his special bullets, but it is deflected. Golden Ball is then grabbed by one of Kombu Infinity's tentacles and smashed into a wall defeating him. Spring Mustachio is then attacked by Kombu Infinity's tentacles, but manages to deflect them. He then counter attacks with his Tomboy attack, but only manages to penetrate a single Kombu tentacle. Realizing that he couldn't beat Kombu Infinity on his own he calls for reinforcements. The scene then fast-forwards to a wounded Spring Mustachio collapsing and Kombu Infinity remaining uninjured.

Aftermath
After the fight, Kombu Infinity spotted Saitama and tried to attack him. While what exactly happened during their fight is unknown, Saitama punched a hole in a building and stole all of Kombu Infinity's hair to make Kombu soup.