You better hit the books, junior, if you want to be ready for that test on yurukyara next week!

“. . . textbooks for many different subjects introduce yurukyara local mascots, such as Kumamon, the bear representing Kumamoto Prefecture.”

http://www.japantimes.co.jp/news/2015/04/07/national/junior-high-school-textbooks-feature-malala-other-young-stars/#.VSPcdhOUdSt