|Hair Color||Dark green|
|Education||Currently attending Sainan High|
|Unusual Features||- Perverted|
- Obsessed to Momo Belia Deviluke
|Manga Debut||Darkness Chapter 17|
|Anime Debut||Darkness Episode 12|
Nakajima has high respect for Momo and even refers to her as "Momo-sama".
Momo finds him rather annoying, and on one occasion forced him and fellow members of the Venus Momo Club to apologise to Rito for attacking him.
Nakajima hates Rito after hearing from a fellow Venus Momo Club member that Yui Kotegawa said he is on par with the Principal in terms of pervertedness. On several occasions, he imagines what Rito would try to do to Momo, though they are likely his own sexual fantasies.
Nakajima and Sugimura are best friends, and often hang out together. They both share an obsession with Momo, though the latter's obsession isn't as strong.