Groups
- mosomoso tsushin 8
- mouga 8
- mousou hatake 8
- muchimuchi neko 8
- muchimuchi nyuugyou 8
- mudai document kari 8
- mugencanvas 8
- mugihoho 8
- mugimmick 8
- muhouchitai 8
- mumeigei 8
- muroran 8
- muskel bild 8
- mutsuashi 8
- n.r.d.works 8
- nagasaki irohatei 8
- naginata soft 8
- nail 8
- namagaki 8
- namaitati teishoku 8
- nananachu 8
- nanao-chan labo 8
- nansyu-koubow 8
- natsume ume 8
- nattou mania 8
- natukiya 8
- natumiruku 8
- naughtygal style b 8
- negiyashiki 8
- neko no su 8
- nekogoro 8
- nekohige radio 8
- nekosaku land 8
- nemaki 8
- niagara rengou | niagara union 8
- nidaime tempura man 8
- nigatsu no santousei 8
- nightflight 8
- nimensai 8
- ninomae 8
- nisepakudo 8
- nitro garage works 8
- nitroplus chiral 8
- nnn 8
- noanoa sanjuushi 8
- noibara-en 8
- nora 8
- nosekichiku 8
- noushuku kangen teikoku 8
- nt confess 8