Pervushkina akaita mutambo wake wekutanga pasi rose mumwaka wa2014/15, achiisa wechishanu mumakwikwi e2014/15 Junior Grand Prix (JGP) muJapan. Mumakwikwi enyika yeRussia
, akapedza ari wechi13 pamwero mukuru uye wechi10 pamwero wechidiki. Pakupera kwemwaka, Pervushkina akasiya varairidzi vake venguva refu, Irina Baranova naIlia Korzhov, kuti vadzidzise pasi paEvgeni Rukavicin muSaint Petersburg.