Shrouded by the mists of time, she has been forgotten ... But there is always someone to remember. Gregório is a tattoo artist obsessed with Astaroth, a demonic entity lurking in the shadows with promises of desire and pleasure. With the art of tattooing and his arcane knowledge, he intends to rescue her from the mists of oblivion and bring her into the world of the flesh. Two young women are involved in her plans: the determined tattoo artist Dri and the sweet guitarist Lia. A friend of theirs, Mai is the young woman who will use her martial arts training to try to defend them and combat the designs of Hell.

Helldose is an anthology where the hostess leads her guests to prove five different flavors from the depths of hell.