
Quick answer — Ayano Yamamoto voices Upa in Steins;Gate: Soumei Eichi no Cognitive Computing, Super Sonico in Soni-Ani: SUPER SONICO THE ANIMATION, Nae Tennouji in Steins;Gate and 3 more characters.
Ayano Yamamoto voices Upa (Steins;Gate: Soumei Eichi no Cognitive Computing), Super Sonico (Soni-Ani: SUPER SONICO THE ANIMATION), Nae Tennouji (Steins;Gate), Arisa Kajiwara (HaNaYaMaTa), Shiki (SENRAN KAGURA SHINOVI MASTER), Naho Saenoki (Corpse Party).
Upa is voiced in Japanese by Ayano Yamamoto.