The official website for the World’s End Harem anime announced today that the series, originally scheduled to premiere on October 8, will now air in January 2022. While the production committee did confirm that the first episode aired on television in Japan as a "special advance broadcast," the streaming version of the episode will not air until January.
H-el-ical will be singing the opening theme "JUST DO IT," with EXiNA singing the ending theme "ENDiNG MiRAGE."
The series will air on Crunchyroll, and describes the series as such:
The time is near future-Tokyo, Japan in 2040. Reito, a young man suffering from an intractable disease, vows to reunite with his childhood friend Erisa and decides to "cold sleep" to cure her illness. When he wakes up five years later, the world was undergoing a major transformation. The MK (Male Killer) virus kills 99.9% of men on the planet. The ground was a super harem with 5 billion women for every 5 men.
Only five men, "Numbers," are resistant to the MK virus. One of them, Reito, is required to "mate" for the survival of the remaining women and humankind. Harem life waiting for the world after the pandemic. At the same time, Reito is involved in a global conspiracy over Numbers. Can he overcome the temptation and save the world?