Niko is incredibly confident in his ability to read the field, asserting his superiority to Isagi during the game against Team Z. However, Niko is not prone to arrogance, as he seems to appreciate people who demonstrate the same ability as himself. This could be seen when he showed Isagi respect during their game, upon realizing that they possess the same eyes. This has translated into a friendly rivalry with Niko aiming to one day play Isagi again and defeat him.