|Saitama vs. Super Custom YO649Z Mk. II|
|Outcome||Saitama is victorious|
|Saitama||Super Custom YO649Z Mk. II|
||Super Custom YO649Z Mk. II
|Saitama is uninjured||Super Custom YO649Z Mk. II is killed|
|Previous||Saitama vs. Marugori|
|Next||Saitama vs. Subterranean King|
Saitama vs. Super Custom YO649Z Mk. II is the fight between the hero Saitama and the monster Super Custom YO649Z Mk. II.
While Custom talks about his past, Saitama thinks about his lack of entertainment. Saitama is uninterested until Custom insults his bald head and Saitama kills him in one blow.
- This is the first anime original fight in the series.