Magic. The mystic arts. In modern times, it is divided into two main "trees". Magecraft and Witchcraft. Completely different methods of utilizing the magical energy known as Mana. Almost completely unable to coexist. Almost. In truth, there's a third "tree" of magic that neither one of the other "trees" are willing to accept. Sorcery. Members of this "tree" are blessed with the ability to utilize and combine the arts of the other "trees", achieving feats akin to that out of the age of gods, by utilizing magical energy in its absolute purest form, Ether.
Practitioners of Sorcery, referred to as Sorcerers and Sorceresses, were considered freaks of nature by both societies of Mages (practitioners of Magecraft, regardless of gender) and Wizards (practitioners of Witchcraft, Witch being the female equivalent of a Wizard). As such, most Sorcerers and Sorceresses, were either self taught or taken in by a master as an apprentice, since the academies for neither Magecraft nor Witchcraft were willing to accept them.
One of these practitioners is the sixteen year old Sorceress going by the name of Raven Rogue Arsène. But she was born under the name of Emerald Lily Potter. A former member of the Wizards house of Potter turned street thief. She was the result of a drunken one night stand between her (former) mother (a Witch) and an unknown male Mage. At the age of five, because of an accidental casting of Sorcery, she was cast aside by her family and left on her own on the streets of London, where she met the woman who became her new mother figure at the age of eight, Reika Rikudou, a prostitute.
At the age of thirteen, through the use of her Sorcery, she somehow managed to steal an item from the British Museum of History, which turned out to be a still fully functional Mystic Code created in London by a Mage during the Industrial Revolution. It's name was The Iron Weavers, a pair of gloves that utilized very thin but strong steel wires, which could be manipulated in a very wide variety of ways through the use of Magecraft.
Two years later, the Mystic Code known as Mercury Wings, found its place in Ravens collection. This Mystic Code was a pair of energy wings, originally intended to be powered by Mana. While the wings would be a great asset in combat, in theory, they required an unbelievable amount of Mana to sustain, let alone activate, making it nearly impossible for Mages to use it. Raven however, being a Sorceress rather than a Mage, could use it very effectively and with practically no drain at all, since Ether was several time more powerful than Mana. She does however always risk overloading the Mystic Code, meaning that she always needs to stay calm and regularly regulate her power output for the exact same reason why she is even able to use it effectively.
And now, at the age of sixteen, she finds herself along with her mother figure, Reika Rikudou, in Romania, albeit reluctantly. The reason? She got tricked into stealing a set of knives, which allegedly belonged to the infamous serial killer, Jack the Ripper, from the British National History Museum in London by a Mage named Hyouma Sagara. Best way to describe the guy? One mean son of a bitch. He had dragged Raven and Reika along with him for multiple reasons. He intended to use Reika as a sacrifice for a form of summoning ritual in order to summon the alleged original owner of the knives, since Reika was a prostitute and all (confirmed) victims of Jack the Ripper were prostitutes. As for what he intended to do with Raven… well… let's just say that he has ended up in prison multiple times for reasons of lower morale than the average Mage's (which is practically nonexistent!).
And the summoning went almost completely according to his plan. Almost. What went wrong was that while Jack the Ripper did appear, (not that he noticed until it was too late) he wasn't the master. Nor was Reika, who couldn't be a master for two reasons. One: she had no magic to begin with. Two: she was dead, murdered by none other than Hyouma Sagara himself, using the very same knife used as the catalyst for the summoning. Which could only mean one thing, Raven, a Sorceress, a teenager, a girl(!), was the master! In an act of rage, he tried to lash out at her, only to receive a serrated dagger through his throat, curiosity of none other than Jack, who as it turned out, was a little girl at the apparent age of ten (give or take). After overcoming the initial shock, Raven spoke hesitantly to her little saver.
"Uhm… hi there." Said Raven, catching Jack's attention. "Uhm… thanks for saving me. You're Jack the Ripper, right?"
"Yup! That's our name Mommy!" Exclaimed Jack, loudly while removing her dagger from Hyouma Sagara's throat, earning a raised eyebrow from Raven.
"Mommy huh? I don't think I'm ready for that. How about big sis instead?" Asked Raven as she opened Sagara's briefcase, and gracelessly threw most of its contents on the floor, before she found and equipped herself with her Mystic Codes, putting Iron Weaver on her hands and securing the Mercury Wings in its standby mode, which looked like a metallic backpack, on her back. "What do you say Jackie?"
"Hm… big sis… big sis." Said Jack while tilting her head side to side, thinking about it, before running over to Raven and hug her. "Meh, we like it. So what now, big sis?"
"For now, we sit back and try to enjoy the fireworks for as long as possible before getting involved in this. So let's try and find a good vantage point. I guess it is like the not-so-old saying goes, welcome to the Madhouse, Raven." Said Raven, before realizing something. "But before any of that, you need a new outfit." At that remark, Jack just tilted her head, clearly not understanding what was wrong with her outfit. "People will definitely get the wrong idea if you're seen in those clothes. That, and it makes me feel uncomfortable."
"Oh! Sorry! We'll fix that as soon as possible!"
"*sign* this is gonna be a long night." Said Raven as she opened and made her exit from the scene through a window, with Jack not far behind.