Groups
- yamanashi musume. 7
- yamanedo 1
- yamaneko doumei 3
- yamaneko jinja 3
- yamanekokan 3
- yamanotesen 21
- yamanoya honpo 7
- yamaori 1
- yamashima echichi 9
- yamato fumi 1
- yamato nadeshiko tei 6
- yamato nadesico club 4
- yamato soft 1
- yamatomochi 4
- yamatoya 1
- yamayama 3
- yamazakura 39
- yami books 26
- yami kaiten zushi 3
- yami ni ugomeku 191
- yami no gyousha 4
- yami no ichizoku 1
- yami no kenzoku 2
- yami no mahoujin 2
- yami no naka 16
- yamijiru 17
- yamikumo tsuushin 5
- yaminabe daiichi kantai 27
- yaminabe junkie 1
- yamiochi shita murabito 2
- yamitsuki gomakyu 14
- yamitsuki honpo 135
- yamitsuki koubou 3
- yamitsukiya 4
- yamo7 53
- yamotodou rakugakiichi 29
- yamuniyamarezu 16
- yamy 5
- yan-yam 111
- yan. 1
- yanagi-tei 2
- yanagiba dai 7
- yanagidou 4
- yanagigaeru 7
- yanagisegawa 11
- yanasegawabeya 40
- yancha club 46
- yaneura no himitsu kessha 2
- yaneura shuppankyoku 1
- yaneura tv 11