Sense

Sense (センス, Sensu) is a special chapter of the OnePunch-Man manga series included with Volume 10..

Summary
Saitama is looking for a monster in the K-City Nature Park when he bumps into a fisherman. Saitama and the fisherman have a short conversation about the fisherman's philosophy, allowing an opponent to grow and have another match up. The fisherman then manages to catch the "King of the Lake", but it is eaten by Lord Great White, the last survivor of the Seafolk.

Afterwards, Saitama quickly takes care of Lord Great White and parts ways with the fisherman. On his way, Saitama think about the fisherman's statements and tries applying it to his hero career, remarking that unlike the fisherman, he does not have a good competitor. Suddenly, Speed-o'-Sound Sonic appears before Saitama and challenges Saiitama into a fight. He uses his new weapons against Saitama, but it useless and Sonic must leave the match defeated once again.