Based on the game by Valkyria.Dragundaala, a country belonging to the descendants of dragons, has been conquered by an army of demons. With the king and queen captured by the demon army general, Ginyol, princess Catue attempts to rescue them, but gets caught. All is not lost, however, as Ginyol agrees to free the king and queen, and withdraw his army entirely if princess Catue can endure his sexual acts of depravity for 7 days.

The school student council members, a nun, a warrior, and a miko aretrying to get rid of the perversion that has invaded the school, butwhat they don’t know is that everyone in the school is actually happywith that kind of life, and then they fall on the hands, or tentacles,of the head teacher who makes them perform in front of the entire schooluntil they get as perverted as anyone on the school or even more.

A special included in the DVD Box set of Ikusa Otome Suvia.The King of Hell had held Odin, the ruler of Norse gods, captured in the Land of the Dead with the help of Loki, the Trickster. The Valkyries failed to save him and ended up becoming sex slaves to the demons.As a trade to free himself, Odin had the river source to the World Tree sealed, which will destroy the whole world. But before that, Loki had Freya, Chief of Valkyries, captured to counter Odin's plot.In order to prevent the World Tree to fall, Loki have to find 2 keys which are protected by 2 invincible Valkyries - Sigurd & Suvia. And Loki turned his lustful attention on Suvia who was a Princess of Prishintia.