RAINBOW 700k get!
on to...
恋愛サーキュレーション- Renai Circulation-/角巻わため(Cover)
https://www.youtube.com/watch?v=L7MvA9i7byQ+3k views to get 800k in:
There's also
Tsunomaki Watame - Ai-mai Chocolate (Original Song)
https://www.youtube.com/watch?v=P8OjkcLzYCMThat's only 2k to 2.3M, but I think i'll better to focus on the big ticks for the +1M songs.