About that joke with the numbered paper slip... if you read the 8 as "pa" instead of "ha" or "ba", 081 reads as "oppai"... wich means boobs for those who don't know =P
@swordsmagus Their school is actually trapped in a time vortex. They're repeating 2010 over and over. Never aging, never remembering. Just look at how many summer trips they've been on over the years.