
Quick answer — Yuka Nishigaki voices Eri in K-ON!: Live House!, Ichirouta Kazemaru in Inazuma Eleven, Rico in No.6 and 4 more characters.
Yuka Nishigaki voices Eri (K-ON!: Live House!), Ichirouta Kazemaru (Inazuma Eleven), Rico (No.6), Shouta Kuroishi (Squid Girl 2), Eri (Bungaku Shoujo), Quon Kimidori (Beyblade Burst), Reiko Makigami (Infinite Stratos 2).
Eri is voiced in Japanese by Yuka Nishigaki.