Sumire Takahana is a seemingly normal school girl cursed with the ability to see malevolent ghosts known as "Viruses." Her life hits a crossroads after a run-in with Lucia, a "gothic lolita" clad monster killer for hire. Not content to stay on the sidelines while these "Viruses" prey on the weak, Sumire decides to join forces with the mysterious eyepatch-wearing Lucia to hunt down the Viruses before they can hurt anyone else.

VENUS VERSUS VIRUS 7

As Sonoka-sama's minions continue to attack those with "vision," pieces of the puzzle start to fall into place as Lucia and friends discover the contents of her dead mother's forgotten diary.