Groups
- warasubodou 5
- wasu no ie 5
- weather report 5
- white 5
- white board 5
- white bullet 5
- white garden 5
- whiteapple 5
- wild chicken 5
- wine ring 5
- winter wolves 5
- winwinwin 5
- wodi wodi land 5
- wolfs tail radio station 5
- wonderful one 5
- world story 5
- wulazula 5
- xheart 5
- y slash s slash k 5
- yabuno seisakusho 5
- yakisaba teishoku 5
- yamabe seika 5
- yamaboshike 5
- yamabukikaku 5
- yamamori gohan 5
- yamikumo tsuushin 5
- yamy 5
- yappy-yappy 5
- yaranaika 5
- yarawa colors 5
- yasai batake 5
- yashiro plus. 5
- yataiya 5
- yawaraka aomame no on salad 5
- yojouhan factory 5
- yokodori omurice 5
- yokohama lemonade 5
- yomoyama 5
- yoru no trendmark 5
- yorunineru 5
- yotsumi works 5
- youchien 5
- youdoukan 5
- youjo sentai loliconger 5
- yousai kyoushitsu 5
- youseidou 5
- youtsuu rock 5
- yozorairodrops 5
- ys company 5
- yubanabemogu 5