Groups
- rose red party 1
- rose-neko-type 1
- rosenlain 1
- roshutsuhime 1
- rosso 1
- rosy phantom 1
- rotary club 1
- rotation trampoline 1
- rotoest 1
- rotstudio 1
- rotten freaks 1
- rouge not blue 1
- rougura 1
- round-sell 1
- rouraku clematis 1
- roushinen 1
- route 643 1
- route 7 1
- route venus 1
- route08 1
- royal academy f 1
- royal mountain 1
- royal-55at 1
- royaluser 1
- royce semicolon 1
- roziura 1
- rtam 1
- rtts 1
- rubbish heap 1
- ruby 1
- rucca 1
- ruff riders 1
- ruitea 1
- rukbat 1
- rumic dojo 1
- ruri no koubou 1
- ruri13 1
- ruriwo 1
- rurururururu 1
- rushstyle 1
- russell 1
- rustic house 1
- ruxk studio 1
- rw 1
- rxa supremacist 1
- ry bigaku tankyuukai 1
- ryoku cha 1
- ryokunohara 1
- ryokushimpan 1
- ryokusui software 1