User blog comment:B214/Volume 23 discussion blog/@comment-202.83.172.186-20170531042459/@comment-30924344-20170531043442

Issei's promotion to a High-Class Devil ceremony, the graduation ceremony of the high school students, the opening ceremony of the Rating Game World Tournament. The festivals (celebrations) are celebrating Issei being a high class devil and the graduation of the third year students. These are the 3 ceremonies and 2 festivals so far.