Groups
- roubai-tei 172
- rouge 21
- rouge et noir 4
- rouge not blue 1
- rough brain 2
- rough love 8
- rough rough rough 8
- rougura 1
- roujin to tanemomi 4
- roukishin 9
- roulette seven 2
- round midnight 3
- round sale table 2
- round table 7
- round-house 46
- round-o 15
- round-sell 1
- rouraku clematis 1
- rouran shoujo 35
- rouseiya 3
- roushinen 1
- route 643 1
- route 7 1
- route venus 1
- route08 1
- route1 141
- route134 3
- route885 13
- royal 18
- royal academy f 1
- royal bitch 204
- royal crown 24
- royal garden 4
- royal milk 9
- royal moon 18
- royal mountain 1
- royal-55at 1
- royal.s 11
- royaluser 1
- royalwatts 70
- royce semicolon 1
- roze 29
- roziura 1
- rpg company 2 471
- rpg tsukuri-tai 3
- rr kenkyuukai 9
- rro 18
- rs 6
- rs factory 28
- rs street 5