
Quick answer — Mayuki Makiguchi voices Serena in Pokémon the Series: XY, Yuki Mizusawa in Beyblade: Metal Fury, Eriko Hirano in Kimi ni Todoke: From Me to You and 4 more characters.
Mayuki Makiguchi voices Serena (Pokémon the Series: XY), Yuki Mizusawa (Beyblade: Metal Fury), Eriko Hirano (Kimi ni Todoke: From Me to You), Izumi Ishikiri (The World God Only Knows), Azusa Aoi (Whispered Words), Yuri Usui (Cardfight Vanguard), Marin Ogura (12-sai.: Chiccha na Mune no Tokimeki).
Serena is voiced in Japanese by Mayuki Makiguchi.