Bokutachi wa Benkyou ga Dekinai - Vol. 4 Ch. 28 - For the sake of [X], the genius struggles in forbidden grounds.

[MangaDex]

 

[Hatimat]

For future references: Page 19 - God left.

 

[Hollow7F]

those last 3 pages....honeyyy noo, her smile and optimism, gone

 

[Zuccman]

i like that mascot

 

[Zuccman]

thats right past me, we like this mascot

 

[Dexus01]

Meme aquisition

 

[twinklecake]

It's okay, some of us know the glory and prestige of the eternal plains.

 

[TheePepsiMan]

This is what that meme was from!? Oh my god, but it’s gotta be from the anime since it was coloured

 

[Mithgol]

it’s gotta be from the anime since it was coloured

Here's that video quote from the anime.