Bobobo-bo Bo-bobo - Vol. 3 Ch. 25 - I Love Math, 1-2-3!!

[MangaDex]

 

[KingZantair]

Oh no....

 

[Forkuth]

Oh look. Bobobo is teaching the kids common core.

 

[sarusa]

So that's where this shit came from! 6 7 is Boomer slang! 😜