Calendar Artists, Casts, Authors
- OBP
- OCHA NORMA
- OH MY GIRL
- OMEGA X
- ONF
- OnlyOneOf
- OOTA KEIBUN
- ONO NONOKA
- ONEW
- Ong Seong-Wu
- Audrey Hepburn
- OTSU HIMARI
- OTA AIKA
- OTA AIKA
- OKUBO SAKURAKO
- OHARA YUNO
- OHARA SAKURAKO
- OWADA NANA
- Mina Oba
- Mina Oba
- Yuko Oshima
- OSHIMA RYOUKA
- OSHIMA MIKU
- OMORI MIYUU
- OTSUKI HIBIKI
- Mariko Oe
- OTANI SHOUHEI
- 大谷雅恵
- ONUKI SAYAKA
- ONO ITO
- OHNO TAKURO
- Motohiro Ota
- Nao Ota
- OKUNAKA MAKOTO
- OKUYAMA KAZUSA
- OKUNO SO
- OGURA NANA
- 小倉奈々
- OGURA YUNA
- OGATA RISA
- Mayu Ogasawara
- Ayaka Ono
- Erena Ono
- Erena Ono
- ONOE MATSUYA 2ND
- OJIMA CHIKA
- OSAKI ICHIKA
- Chisato Okai
- OKAMOTO NATSUMI
- OKAMOTO HANA
- Rei Okamoto
- Rei Okamoto
- Nana Okada
- OKADA SAYAKA
- OKADA YUI
- OSHINO SARA
- OSHIDA GAKU
- OKITA AYAKA
- OURIN
- OGINO KARIN