Groups
- youkai alien 1
- youkai ankake 53
- youkai house 3
- youkai tamanokoshi 290
- youkandou 34
- youkantei 7
- youki m.k.c. 22
- youki m.k.c. 7
- youkouro 2
- youmetsu wa ikenai to omoimasu 1
- youmo 3
- youmu no shio 7
- youmu shippitsusha tou 3
- youmudo 1
- youmusya 97
- young and naughty 1
- young farm 13
- youniku bokujou 3
- younx 1
- youran 2
- yours-wow 16
- yousai kyoushitsu 5
- yousaisha 7
- yousei allergen 15
- yousei imagination 2
- youseidou 5
- youseimangasya 25
- youthproject 1
- youtou oniku 6
- youtoujirushi 18
- youtsuu rock 5
- youtsuu transmitter 3
- youyoumu 23
- youyukai 3
- yowamidori 23
- yowatari kouba 96
- yowatoro 2
- yoyo-tei 1
- yozakuratei 2
- yozakuraya 1
- yozora 35
- yozorairo drop 3
- yozorairodrops 5
- yrrr 2
- ys 10
- ys company 5
- ysouko 1
- ytoh2 3
- yu gp03 6
- yu reika 2