"Usual operation（つうじょううんてん）" in Japanese refers to something functioning as normal, like a train or a machine. Later, it was often used to describe a person whose "words and actions are the same as usual." (My interpretation) 12 cards that have nothing to do with any psychological tests are dedicated to anyone in need of a little comfort. Spend a little time on yourself every day, look at the illustrations and read the words, and tell yourself that "everything is still okay today".