Groups
- sadamekairo 4
- sae honpo 4
- saeki koubou 4
- saikyo gakuen 4
- sail-ring on 4
- sainage 4
- saishuu ressha club 4
- sake no sakana 4
- sakumaya 4
- sakura no kinoshita 4
- sakurairo palette 4
- sakuranbo sugar 4
- sakurapink 4
- sakurara and cherry 4
- sakyuu 4
- samoimon 4
- sanbanme 4
- sandal nyan 4
- sangatsu no nanoka 4
- sankokudo 4
- sanolemoon 4
- santon 4
- sanukicorgi 4
- sanukiya 4
- sanzu no hanataba 4
- sarang 4
- sarasara chazuke 4
- sarutorayu 4
- sashikiz 4
- sashilot 4
- sasya 4
- satomachine. 4
- satooya 4
- satoukibi 4
- satsuki no usa koya 4
- saturday night special 4
- scar 4
- school love 4
- schwarz katze 4
- scope m.o 4
- scramble egg 4
- se-ri 4
- sea-s 4
- second flight 4
- secret garden 4
- secret service 4
- seibun ikioi 4
- seinikuten 4
- seisakujo y 4
- seishun no nigirikobushi 4