
Quick answer — Haruko Momoi voices Sun Seto in My Bride is a Mermaid, Anise Tatlin in Tales of the Abyss, Komugi Nakahara in The SoulTaker and 10 more characters.
Haruko Momoi voices Sun Seto (My Bride is a Mermaid), Anise Tatlin (Tales of the Abyss), Komugi Nakahara (The SoulTaker), Maya (Ragnarok the Animation), Mii (Popotan), Rumiho Akiha (Steins;Gate), Maromi (Paranoia Agent), Ame-chan Haha (NEEDY GIRL OVERDOSE) and 5 more.
Sun Seto is voiced in Japanese by Haruko Momoi.