Groups
- see-saw 5
- seirakai 5
- seiryoukei inryousui 5
- sekichou 5
- sekidou nakama 5
- sekitou 5
- sekunohara 5
- sendan 5
- senju 5
- sensei 5
- senyen 5
- shadow portal 5
- sharktales. 5
- sharuru hunter 5
- shibasoft 5
- shigure-side 5
- shikaper 5
- shikkoku no tsubasa 5
- shimetta inu 5
- shimofuritei 5
- shinchintaisha company 5
- shinigami koubou 5
- shiohama workshop 5
- shiro anmitsu 5
- shiro kuro soft 5
- shiroi kutsushita illust kan 5
- shiroiro enogu 5
- shirokuro aniki 5
- shirokuro panda 5
- shisa 5
- shishi no okashira 5
- shishimusha 5
- shishioan 5
- shitatattel 5
- shiya 5
- shizuhimes madhouse 5
- shockhand 5
- shokakuya 5
- shoujokan 5
- shouya 5
- shuraba keikaku 5
- shuto reccara 5
- shuutaisei 5
- side buy side 5
- sikorsky taisa 5
- siluman 5
- siooninco 5
- sister soft 5
- sistny 5
- skb 5