Quick answer — Shiho Niiyama voices Seiya Kou in Sailor Moon Sailor Stars, Rei in Perfect Blue, Doris O'Conner in Marmalade Boy.
Characters voiced by Shiho Niiyama
OP
Perfect Blue - 01 Angel Of Love
OP1Kae Hanazawa
Sailor Star Song
ED1Alisa Mizuki
Kaze mo Sora mo Kitto...
OP
Pretty Guardian Sailor Moon Cosmos The Movie: Part 1 OP | "Moonlight Legend" | Netflix Anime
ED
Pretty Guardian Sailor Moon Cosmos The Movie: Part 1 OP | "Moonlight Legend" | Netflix Anime
ED
Marmalade Boy Ending 1
Frequently Asked Questions
What characters does Shiho Niiyama voice?
Shiho Niiyama voices Seiya Kou (Sailor Moon Sailor Stars), Rei (Perfect Blue), Doris O'Conner (Marmalade Boy).
Who voices Seiya Kou in Sailor Moon Sailor Stars?
Seiya Kou is voiced in Japanese by Shiho Niiyama.