The "There is no way we'll lose..." line, and the "Sure enough, we couldn't win..." follow-up, are apparently a meme started by a Nanoha doujin by some circle called Bitch Bokujou.
This was like an Instant Loss 2koma in the last two panels.
↑ Poor students ↑...plus our member's donations to come up with double, 200 copies!!Thus, this time we employed all of our circle's funds...We had no excuse to give the people who came all the way!!200 copies stained in bloodThere is no way we'll lose to Reitaisai!Sure enough, we couldn't win against Reitaisai...LET GO OF IT, MY RIGHT HAND!Last time, at Reitaisai 8, we prepared 100 copies and ended up selling out in an hour and a half...We won't let a single person go home empty-handed again!!Sold out in 50 minutes.We gave it all we've got!!