What would you consider as the big three of all time

[Olorin]

You just went full retard. Never go full retard.

okay, but why exactly?

 

[Hexuze]

The big three is the top 3 selling series in Japan. Which is OP/AoT/Haikyu!!

Now my personal big three are OP, HxH & Toriko (in that order).