26화: 폭염 기간 중 지하에서 워터파크가 솟아나면서 학교가 수업을 취소함

Even though there was a snow blizzard in the previous episodes, it is very hot outside. The headmaster cancels afternoon classes so the students can have fun in a large water park that comes up from under the school grounds as buildings move apart to make way. (Source: Wikipedia)

▶ 시청하기 Crunchyroll