Actors
- Onodera Mayu
- Onosaka Yuika
- Onosaka Yuka
- Onoue Wakaba
- Oohara Amu
- Oohara Rio
- Oohori Kana
- Ooishi Saki
- Ooki Yukino
- Oomiya Ryouka
- Oomiya Suzuka
- Oomori Atsusa
- Oomori Shizuka
- Oosaki Mika
- Oosawa Kasumi
- Ooshima Shinobu
- Ooshima Yuuka
- Ooshiro Yukino
- Ootani Futaba
- Ootsuki Hibiki
- Ooura Manami
- Orihara Honoka
- Orihara Yukari
- Orikasa Rumi
- Orimoto Serino
- Osada Megumi
- Oshikawa Yuri
- Oshikawa Yuuri
- Oshima Yuka
- Otani Futaba
- Otogoto Rui
- Otoha Nanase
- Otomo Yua
- Otori Miyu
- Otowa Amu
- Otowa Ayako
- Otowa Misuzu
- Otsu Alice
- Otsu Arisu
- Otsuki Hibiki
- Oura Manami
- Ousaka Kiho
- Ozaki Erika
- Ozawa Naho
- Ran Shiono
- Rana Kawai
- Ranka
- Ranran Fujinami
- RARA
- Rara Anzai
- Rara Kudo
- Rei Kamiki
- Rei Kimura
- Rei Kuruki
- Rei Oki
- Reia Kawakami
- Reika Hashimoto
- Reika Ichiba
- Reika Mizuki
- Reiko Himekawa
- Reiko Kobayakawa
- Reiko Sawamura
- Reiko Seo
- Reimi Tanaka
- Reina Hirokawa
- Reina Miyashita
- Reina Mori
- Reina Sawada
- Reira Hazuki
- Reiran Akame
- Remi
- Remu Suzumori
- Ren Kitazawa
- Ren Usui
- Rena Aoi
- Rena Aoyama
- Rena Fukishi
- Rena Kodama
- Rena Momozono
- Renen Momona
- Reona Kirishima
- Reona Tomiyasu
- Ria Yamate
- Rieko Hiraoka
- Rieko Masaki
- Riho Agatsuma
- Riho Fujimori
- Riho Takahashi
- Riina Okamoto
- Rika Aimi
- Rika Omi
- Rika Tsubaki
- Rika Usui
- Rikka Ono
- Riko Satou
- Riko Sawamura
- Riko Tokushima
- Riku Serina
- Rima Arai
- Rima Kamishiro