Groups
- y and a 1
- y no kobako 2
- y no naka no hito 3
- y no shokutaku 10
- y press games 7
- y slash s slash k 5
- y-burn 11
- y-nrg system 4
- y.b.j 1
- y.c.c. section 3 2
- y.d.l 2
- y.k.c.b. 1
- y.m.sensha 6
- y.y.club 1
- y3df 12
- ya-ho-games 12
- ya-zy 111
- yabatani land 25
- yabitsutouge 73
- yaboudo project 33
- yabougumi 54
- yabukara 1
- yabukaradou 6
- yabuno seisakusho 5
- yabure kabure 29
- yaburi dokoro 37
- yabusame 15
- yabushita koubou 1
- yachan coffee 16
- yachou 36
- yachu onsen 4
- yadapot 9
- yadogiri no hitsujikai 1
- yadokani daikaiten 9
- yadokari walk 1
- yadokugaeru 227
- yadoo van yahdoo 2
- yadorigi ball 3
- yaen 3
- yagami hyakka 20
- yagen nankotsu 15
- yagezawa bunko 6
- yagi to sakana 6
- yagigoya 1
- yagihitsuji nikusenmonten 3
- yagio-socho 26
- yagisaki ginza 55
- yagiya 3
- yago no ana 1
- yah-yah-doh 36