A lot of races have slinty eyes... so...

Japanese fits none of above. Maybe Chinese, but not Japanese. They're right-brained people.
Dragon/Repitilian in media? There's nothing but cute, pretty things on TV such as bunnies and kitties.
Japanese aren't into serious gore, but stupid outrageous gore is okay. Despite this, they aren't war-like.
Japanese are very conformed society, a group-society, less emphasis on leadership, whereas reptilians prefer control and are greedy.

Despite conservative government, the people are democratic.
They don't like physique of a man at all- they prefer feminine beauty.

About the belief system, they're more perceptible to enlightenment whereas reptilians want to block anyone.

I don't think Japanese are like reptilians AT ALL.
But Ive read somewhere that the Japanese had changed so much but not the Chinese into the evolution of enlightenment.