• High School DxD is an anime series adapted by TNK studios.

High School DxD is an anime series adapted by TNK studios. (Photo : Facebook/Rias Gremory High School DxD)

One of the more popular Harem animes out there, "High School DxD" is expected to have a fourth season as its manga is still ongoing. The question right now is what arc it will cover should there be a fourth season.

The third season of the anime was aired in April 2015 and it follows the gradual growth of Issei from a boy to a man. Dreaming of being surrounded by hot females, he got his wish granted. However, these females are no ordinary humans, they are demons.

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Issei is now haunted by the Gremory team, led by Rias Gremory and her squad of Asia Argento, Akeno Himejima and Koneko Toujou among others. Little did he know that he is in for a whole new world of pain as he, together with the Gremory team, encountered various demon factions over the course of three seasons.

As of this writing, no announcement has been made regarding "High School DxD Season 4 release date but When-will speculated that the series will probably come out in spring of 2016. Looking at the pattern of release per season, it will be at least a year before fans can expect an announcement and just in time for spring 2016. The first premiered in January 2012, the sequel was aired June 2013 while the third was aired in April 2015.

Fans over at My Anime List believe that "High School DxD" Season 4 will cover Issei's time travelling adventure as well as his clash with Lord of Asgard, Loki. A popular theory is that future Issei, Loki and their children will even travel to the present to correct the mistakes that will have major repercussions in the future they live in.

Fans will just have to wait for updates from TNK studios as the company has yet to renew or cancel the anime series. Fortunately, the first three seasons did very well in terms of ratings in Japan to almost ensure a fourth season. Fans credit it to the excessive fan-service action and the lightheartedness of the show.

Here are some more speculations on "High School DxD" Season 4 courtesy of Hex Competitive.