Groups
- shuufuku ya 1
- shuuhasuu 1
- shuukan freaks 2
- shuukyuu 8-ka 9
- shuukyuu itsukasei 24
- shuumatsu koujou 7
- shuusei patch 3gb 12
- shuutaisei 5
- shuuya 3
- shyness over drive 8
- shyo chiku bai 24
- shyuku 1
- si prefixes 1
- si-o studios 8
- siawase yuenchi 1
- siaweb 2
- sibaco oioio 3
- sibakan. 12
- sibakarigumi 2
- sick boys 4
- sick re 1
- sicosourcream 3
- side blue 2
- side buy side 5
- side effects 29
- side k 1
- side m 39
- side-a 1
- siden 10
- sideoff 6
- sidoside 1
- sierragrad 1
- siesta 10
- sig 2
- sigamitsuki mizuhiki 20
- sigma-arts 156
- sigma-plan 2
- sigmart 15
- sigmastar 11
- sign 4
- signal 1
- signal go 2
- signal group 3
- signal red 1
- signal violet 24
- signal yellow 3
- signalred 6
- signares jigen 4
- signstandard 1
- sigsigdou 16