Groups
- rtc 5
- rushichiland 5
- rust ship 5
- ryoojuku club 5
- ryoujoku kagekidan 5
- ryu no abara 5
- ryuusuitai 5
- s.i.i 5
- s.m.l 5
- sabo-p 5
- sadalsuud 5
- sadistic green 5
- saga angel 5
- sagawa ex 5
- saiga 5
- sainome 5
- saita tsuushin 5
- sakana no kanzume 5
- sakeganomenai 5
- sakura doori 5
- sakurakusa 5
- salmon king 5
- samayo noujou 5
- samayou majin 5
- sanagiya honpo 5
- sanchi chokusou maguro dan 5
- sangetsushi 5
- sankaku batsumaru 5
- sankyaku rasen 5
- sanshodou 5
- santa maruta 5
- santakunchi 5
- saohime darc 5
- saru gasso koubou 5
- sarugaso 5
- saruya 5
- sasori company 5
- satellite 5
- satoh katoh 5
- satsumaimo batake 5
- sau sama 5
- sayou 5
- sazare sazanami 5
- scarlet maple 5
- scotchy 5
- scr 5
- scramble house 5
- se night 5
- secret milk 5
- secret soldier 5