I wander how many of us actually got the joke, and how long it took, for me, it was a way longer time than I like to admit (spoilers, thejoke is "wild swings").
TSUNDERE SHOWI wonder what kind of show they're putting on?DERECulture FestivalOh! Kagamin's class!TSUNWOOOOOOOAH!!DEREWOOOOAH!!WOOOOOOAH!WOOOOOOOOAH!