Bokutachi wa Benkyou ga Dekinai - Vol. 5 Ch. 42 - The genius that speeds through the water, absolutely dazzles the [X].

[MangaDex]

 

[Sherrbear]

At the beginning there... is that a reference to Yuuragi Sou or am I mistaken?

 

[DeProgrammer]

Yes, it even mentioned Yuuragi's author, Miura, in the last frame.