Fanart of Pershina with the Crystal effect equipped. Source
Possibly derived from a female version of the Russian last name "Pershin" - Першин; the female version being Pershina = Першина.
Pershina (ペルシナ) is the protagonist of the game Genseki Wakusei (幻石惑星).
Pershina has amber eyes. She also has very long, wavy white/grey hair that partially covers her left eye. She usually wears a while long-sleeved shirt, black shorts with suspenders, and purple shoes.
Not much is known about Pershina's personality.
Not much is known about Pershina's past.