I'm not sure if that was a reference or not but page 10 is simply amazing. Mangaka sure draws lots of intriguing faces but this one really too amazing for not to be commented about.
Title: I don't think so
Panel 1:
Seriously, can't you please stop doing scary stuff? (Note: Or what Speedphoenix wrote below)
Panel 2:
Well then, marry Yoshiko!
Don't say absurd things (ムチャ == 無茶 == absurd)
Page 7 title: They didn't made it in time
Panel 1: Meanwhile
Panel 2:
Sayaka: Even though the class has started........
Teacher: Let's collect the homework
Pg. 7 title: Our rate increased 30%!
Panel 2:
MC: Stares
FX: A little happy
Note: I am just doing this for fun, and I'll probably drop it after a while. TL by part my broken Japanese, part Google TL