Terror! The Mammoth Examiner of the Snowy Fields!

S1 E3: Snow? In the classroom? Mumei and Koui face a new test and attempt not to freeze to death. A mysterious examiner awakens from his 10,000 year slumber to whip these cheating students into shape. However, things take an unexpected turn when Mumei's crush, Ryuu Haku, is accused of cheating. Will Mumei be able to clear her name and win her favor?