Groups
- orurandolu 3
- oruta bon 2
- orutama 9
- orz 57
- orz commushoz 6
- os tokku 37
- osacanasanteam 4
- osajindou 5
- osaka lucha libre 2
- osakana center 2
- osakana cookie 2
- osakana ichiba 1
- osakana koujou 6
- osakana milk tea 4
- osakana planet 5
- osakana tabeyo 13
- osakana taikou 2
- osakana.factory 3
- osakana.factory 2
- osakanaichiba 1
- osakanapakking 2
- osakanaya-san 1
- osameya 3
- osamuya 15
- osanagokoro no kimi ni 49
- osananajimi shikkaku 2
- osaru no noumiso 50
- osaru-san panic 5
- osatou 1
- oscilloscope 6
- osenbei no mori 34
- osenkou 2
- oshaban 71
- oshaburi tengoku 10
- oshiai heshiai dotukiai 2
- oshigoto no jikan 2
- oshiire no naka 1
- oshiire tanken-tai 1
- oshikko channel 4
- oshimai 4
- oshinobee 9
- oshinobu no yakata 13
- oshioki club 2
- oshiri chuuou byouin shiridenbu hip ketsu geka 1
- oshiro merry 6
- oshiroiro 2
- oshiruko kan 158
- oshiruko sentimental 1
- oshiruko-saida 1
- oshisyo-san 3