83. フライ・オクト・フライ ~ フルスロットル・テンタクル(Octo) / テンタクルズ(NORMAL) 

Use your fingers

@@ItssG1O thats the one thing already know lol

I like to start off with the hardest ones and that really helps me by forcing myself to do difficult parts

Or you can look at each specific part and try and strategise the tap order

You can try listening to he beat instead of looking at the notes. (Try it blindfolded first)