Reverse Frontier,a condition where 4 Universe with different timeline, different dimension, and different culture connected via mystical Border called "Cross Gates".

the themes for the Universe are Medieval, Feudal, Steampunk, and Futuristic
And from the shadows... a force aiming for destruction of Reverse Frontier begin to move...

12 years ago, Selphie Nate, an ordinary poor girl from ordinary poor family met a mysterious boy and the two became close friend. But soon, the boy had to move to another Universe. And not for a long time, Selphie were sold to a mysterious guy by her parents for some money.

it's revealed that the one who bought Selphie is a weird, closed man who sleep during daytime and "work" in night. and his job is a mystery...

When Selphie is 16, another shocking truth revealed: The man is a vampire, a member of the force which aim for Reverse frontier's destruction and using Selphie as "Soul Container" by turning her into a vampire. helpless, she accepted the bitter truth and continued to live on as a vampire.

and somehow, in one day, an exterminator (those who exterminate demons)raided their place and somehow managed to finish off the old vampire, when Selphie managed to survive. burnt by revenge, she continued to hunt down humans, especially exterminators.

2 years later
The nearby villager hired a Bounty Hunter to exterminate the Female Vampire. As he proceed into the castle with his almighty Revolving Blade clearing his path, and faced Selphie. the hunter got the upper hand, at least until the real Vampire, who supposed to be "dead", returned revealing his final plot: taking away Souls Selphie collected and kill her in the same time, as she's useless after all Souls were sucked. the Vampire easily beat Selphie and the Hunter, and began the Soul takeaway ritual. when it's 50% done, The Hunter bravely re-interrupts the ritual....

Schneide Zonvolt
Title: Lost Beowulf
Age 18
Weapon: Revolver Blade

A pervert wannabe Ladiesman who wanders around as Bounty Hunter,and Selphie's Childhood friend. Always remain calm in almost every situations, and is a master of Devilish plan.
One that's haven't realized is his bitter past before met Selphie in their Childhood


Selphie Nate
Title: Sealed Ressurection
Age 18
Weapon:Lucifer and Gilgamesh

Schneide's childhood friend who's turned into a vampire and a Soul Container. A bit serious and have no mercy to scold Schneide when his pervert side surfaced. Even after sealed, her state as Soul Container remained, as long as she killed a creature, the creature's soul will trapped inside her. This state really irritates her.


Milletia Revniv
Title: Destructive Cute
Age: 15
Weapon: Built in Dual Plasma Schyte

An amnesiac Android Girl who's found by Schneide and Selphie. She Lost all of her past memory, but seems to hold a grudge with "vampires"