This might be the artist's best strip. The number of people in the whole world who can immediately get it must be extremely low, but that only makes me give more props for actually taking the time to draw the comic.
RelativelyBest said: What kind of a teacher lets her students eat sugar cubes?
Should be okay if it's less than ¥300.
Teacher!Sirkku Cube SugarA common brand of cube sugar in the Nordic countries, produced by Dansukker.Are we going to have Cirno as a snack?
1. She is actually saying "Sirkku", which is Cirno's nickname in the Finnish fandom.
2. This line is referencing to the video "Kero ⑨ Destiny by Silver Forest"