Groups
- yakiniku tabetei 4
- yakitoria 4
- yamabikoboy 4
- yamato nadesico club 4
- yamatomochi 4
- yami no gyousha 4
- yamitsukiya 4
- yanagidou 4
- yarakain 4
- yaritaihodai. 4
- yasakaninomagatama 4
- yasohachi 4
- yawamitsu 4
- yawaraka gate 4
- yellow apple 4
- yellow gem 4
- yellow tag 4
- yellowcake 4
- ymg3 4
- yoidore usagitei 4
- yori manga seisakusho 4
- yorozu 4
- yos kanrikyoku 4
- yosei yumeshiko 4
- yoshi puu 4
- yougekishu 4
- yougekisya 4
- youidon 4
- youjinbow 4
- yubeshi 4
- yuki no kesshou 4
- yukinko okeya 4
- yukyu-kyuka 4
- yumekoro 4
- yumemiru 4
- yumeno-gotosi 4
- yumiharizuki 4
- yuraraka koubou 4
- yuri equal 18l 4
- yurusu 4
- yuruyuru seisakusho 4
- yusaway 4
- yuugengaisha anime world star 4
- yuunagi zakkaten 4
- yuuri no atelier 4
- yuzucha biyori 4
- yuzuhoge. 4
- yuzuyu 4
- yz plus 4
- za da carjya 4