DOES ANYBODY NOTICE THIS?!?!

(WoW this is good questin) Yep, I noticed I don't know why many ppl r putting アニメ pictures (I'm not Nightcore producent). Maybe cuz アニメ is very popular...
Anyway I don't care so much about pictures I like Nightcore Music. Anyway Nightcore 動画 do not have all アニメ pictures! :D
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Whoa. Chillax. Of course I noticed. ಠ_ಠ

They just...do. I'm guessing it's just that the first nightcore ファン were アニメ ファン as well, they used アニメ pictures to represent what was going on in the song, and it just stuck. HannahStickles8 will probably have a better answer for you.

not all of them do look at ninja boy

hmph u its easy...duh .....its because dey wanna make the video make video もっと見る clearly to be seen >:Oi kno it cause i has a YouTube account <.<

i think its becuase if あなた listen, it sounds like an アニメ chick is 歌う it because they're voice is so highpitch and they kinda sound the same. its so obvious

I guess.