Groups
- osio soft 1
- osiri 10
- osiris 7
- osiris pictures 5
- oso 6
- osomatsusama 21
- osonoya 2
- osos 2
- osoushiki 6
- osouzaiya 25
- osouzaiya-san 10
- osova 37
- osozaki no kuruizaki 3
- ossan 3
- ostamin house 1
- osterei 14
- ostin shop 7
- osu to mesu 3
- osuichi coffee-ten 3
- osunuya | shigaeya 2
- osushi 4
- osushi daisuki ojisan 1
- osushi og 12
- osushi-rice 15
- osushidaisuki 1
- osushiteikoku 7
- osushiyasan 1
- osuwari 1
- osyonsyo 5
- ota 7
- ota office 16
- ota yuri 2
- otabe dynamites 179
- otafukutei 82
- otajai 33
- otakaraya 2
- otake nangoku boys 6
- otaku beam 208
- otaku biyori 2
- otaku no youjinbou 15
- otakulife japan 14
- otakusexart 14
- otama jacuzzi 2
- otama no shippo 3
- otamageddon 2
- otaut-r 4
- otawamure gogo 11
- ote 1
- otemoto 8
- otenkiya 1