O-atsui
no ga Osuki (You Like it Hot?)
Oda
Nobunaga
Odoru
Daisoussasen 
Ogibosan
to Issho
Ohsama
no Restoran (King's Restaurant)
Oishii
Kankei
Oishii
Propose
OI
SHIN BO
Ojousama
Meitantei
Okane
ga Nai! (No Money)
Okuman
Chouja to Kekkon Suru Houhou (How to marry a billionaire)
Okusama
wa Majo (Bewitched)
Omae
no Yukichi ga Naiteiru
Omiai
Kekkon (Arranged Wedding)
Omizu
no Hanamichi
Oni
no Sumika (House of Devil)
Oni
Yome Nikki (Devil Bride Diary)
Only
You Aisarete
Onsen
e Ikou (Let's go to the Onsen/Women of the Onsen)
Ooku
(Inner Palace)
Orange
Days
Oshigoto
desu
Oshin
Osorubeshi!
Otonashi Karen-san
Otona
no Natsu-yasumi
Otona
no Otoko (Grown Men)
Otona
no Sentaku (The Choice of a Grownup)
otousan
(father)
OUT
~Tsumatachi no Hanzai~
Over
Time
Owaranai
Natsu (Endless Summer)
Owari
no Nai Douwa (Story for Kids)
Oyaji
Oyaji
Tantei Series (Dad Detective)
