Groups
- santama 21
- satsukiimonet 21
- sendankaisen 21
- setsugetsuka 21
- sgsix 21
- sheanimale 21
- shigen 21
- shinjuku koma gekijou 21
- shiraki no kobeya 21
- shiro gas koujou 21
- silmaril 21
- sister mytory 21
- small gift 21
- sojou no kuuran 21
- solex 21
- stroll in the woods 21
- studio dimple 21
- studio macaron 21
- studio309 21
- suppottnoze 21
- t2 unit 21
- takatans waffen-ss 21
- tamanohousa 21
- tamashu 21
- tanpopo 21
- taurin 1 oku 21
- teikuu ms combo 21
- tengudou 21
- tenshindo 21
- the fuckin toyzaras 21
- the great saiyaman 21
- tianoblue 21
- tinkle bell 21
- titancolor brand 21
- toketa ice no futa no ura 21
- toki nokogiri 21
- tokumei kibounu 21
- tomato 21
- tonburi 21
- toshiue jukujo no miryoku 21
- toubu rengou daigaku 21
- trinitysaber 21
- tsusan house 21
- tsxy 21
- type-3 21
- umenegi daimyoujin 21
- usagi milk 21
- ushinomaruyaki 21
- utinotyutai 21
- utusystems 21