Hel, the ruler of the underworld, deceived Odin, the supreme god. Loki, the god of cunning, helped her capture Odin in the realm of the dead. The Valkyries who were supposed to help Odin failed the task and were captured by the demons, becoming their sex slaves.

Soon there will be a conflict between the two states. The young crown Prince, who is in love with a princess from a neighboring kingdom, is forced to offer her an alternative to execution: he wants to make her his slave maid.

The moment has come when humanity has mastered outer space and has come into contact with alien intelligence. People began to feel at home in the vast expanses of space.

Asagi Igawa is an experienced hunter of evil spirits. After she defeated her deadly opponent Oboro, she decided to leave the dangerous profession and arrange her personal life. However, Oboro returns to life by making a deal with the demon leader, whose goal is revenge on Asagi.

After Akitoshi lost his parents, he was left in the care of his older sister, Hitomi. Over time, his feelings for her grew into something more. One day, a strange girl appeared in Akitoshi's life, who introduced herself as a Shinigami. She said she needed the soul of a hero, but Akitoshi's pleas for help touched her.

The animation takes us to a magical kingdom ruled by Princess Lily, the first heir to the throne. Her brother, Prince Dirk, longs for power and turns to the dark forces for help. He reveals the secret of the princess — she has the ability to summon an invincible army of warriors.