Ikki Niko is a supporting character of the Blue Lock.
When first arriving at Blue Lock, he was a member of Team Y during the First Selection and he was determined on surviving Blue Lock with the skills he already had but after losing to Yoichi Isagi in the First Selection, he decided to stop being afraid and change to get better so he could survive Blue Lock.
He is currently ranked #63 out of the original 300 forwards chosen to be part of the Blue Lock Project and is starting as a centerback for the Blue Lock Eleven against the Japan U-20.
(Source: Blue Lock Wiki)