Akane Shizuku
Legacy Name: Akane Shizuku

Miya

Miya was, once, a normal Malticorn girl, albeit one with a curious affinity with Matter. Akane discovered her somehow, and watched her from afar for a while, intrigued by this affinity. After a while, she sent Poison to befriend and eventually kidnap the girl, and bring her back for Akane to.. investigate. Akane tortured the Malticorn (then named Dalia) for a while before Tainting her with all the various Matter she kept around - removing most of her memories and free will in the process - purely because she had a sick and twisted curiosity to see what would happen. Miya somehow managed to escape soon afterwards. Akane has been searching for her ever since, determined to find her and hold her captive again.. and when she does, she will make sure Miya regrets ever leaving her.

Malice

Malice is a curious feline; she is bonded to Akane, and the Feli reveres, even adores her - she is the only being that Akane truly cares for, and it's rare to find Malice anywhere other than by Akane's side. Malice has intelligence far beyond that of a normal cat, and her lifespan seems to be similarly supernatural. Though she cannot speak with words, she can communicate telepathically. She is cold and uncaring to Akane's victims' plights, though she does occasionally advise Akane against doing certain things, for the Feli's own safety. She dislikes Poison and Venom, though not as much as Akane does; she just finds them irritating.
As a note, it's quite possible that were Malice ever to die, Akane would die instantly, due to their bonded nature. It's unknown whether or not this is true - obviously, neither of them want to find out - but it's likely that, even if it wasn't true, Akane would kill herself to be with Malice anyway, considering how close they are.

Poison

Poison is the second of Akane's familiars, and one that managed to redeem himself to her. Though she was initially irritated by the bat and his brother, she changed her opinion of him once he brought a certain Malticorn back to her, and she is - at the moment, anyway - sending him out on more missions than before.
Unknown to Akane, Poison is conflicted about his loyalty to her, and has been ever since she had him kidnap Miya. Confused about his feelings towards her, he later helped her escape (though neither Miya nor Akane are aware of this). He still has no idea how to feel about what Akane did to the Malticorn girl, and thus continues to serve her, at least for now.

Venom

Venom is Poison's brother, and Akane's third familiar. She dislikes the bat minion and frequently calls him useless, particularly since he has never been much help to her. Like Poison, Venom can occasionally take on an anthropomorphic form, appearing as a Lasirus; however, both bats prefer their natural form. He follows Akane around despite how much she insults and derides him, blindly loyal to her. However, even though he adores his mistress, Venom is ultimately more loyal to Poison, who he loves more than anything. Venom is vaguely aware of his brother's conflicted feelings towards Akane, but doesn't truly understand them; however, if Poison ever did leave Akane, Venom would follow him without hesitation.