Juniper is a female, magical alien bunny girl Vtuber. She initially began her identity as a very sweet and pure girl, but quickly showed her true colors as a very vulgar and outspoken individual. She's very energetic and loving towards her friends, though she's shown to have occasional yandere tendencies.
Juniper is a magical girl, originating from the planet Venus. She is a rabbit humanoid.
Juniper is bisexual, as confirmed many times. She implies she has a high preference for women, though.
The rest is verbatim.
According to her Q&A, she obtained her magical powers by murdering someone who already had them.
Also according to her Q&A, her favorite Pokemon is Klefki.