|“||If I'm being honest, Rin-Kun and Shidou-Kun are too genius for me, so I can't tell what they're tryin' to do at all!||”|
— Nanase, 
Nijiro Nanase (七星 虹郎, Nanase Nijirō) is a supporting character of the Blue Lock (Manga).
Nanase is a tall teenager with an average muscular physique. When participating in a match, Nanase wears a hair band which has a Blue Lock logo on it. During Third Selection arc tryout, Nijiro wore Team A's #99 jersey. He was teammates with Rin, Shidou, Isage and Hiori.
A friendly and polite individual. Nanase upon his introduction in the series was able to form a strong rapport with Isagi and Hiori. Nanase is a player who speaks in a Kansai dialect and he is from the countryside of that region.
- The name Nijiro means "rainbow-colored."
- Nijiro's surname Nanase means (七) "seven" (星) "star, spot or dot."
- (To Isagi) I'm Nanase. A first-year. Then you're my senpai, Isagi-san! I am gonna do my bestest to not bring you down, Okay?! 
- (To Isagi) Well, to be honest, I could only really catch up to ya, Isagi-san. Sorry if this sounds rude, but... Rin-kun and Shidou-san's movements felt like they were in a different dimension. So I couldn't figure them out. But in your case, I felt like I could understand a bit what you were going for. 
- His favorite manga is Slam Dunk.