Master in the House Episode 56

The members go to a frozen lake during the opening. Hong Jin Young is today's hint fairy, and she gives them hints while promoting her songs. Today's master is none other than ace speed skater, Lee Sang Hwa. The members have a race against Sang Hwa to decide whether the training will be hard or easy. Once their fates are sealed, the members are exhausted with the amount of exercise they do. (Source: Viu)