Groups
- nitaroutei 7
- nitro 7
- noatei 7
- nokino 7
- nomoneynotime 7
- nonalcha 7
- nonoplayer 7
- normalneet complex 7
- nu 7
- nukesaku 7
- nukoo-sama paradise 7
- null brainz 7
- nv3offline 7
- nwonyo pasun 7
- nyaa no esa 7
- nyaatrap 7
- nyaro kizoku 7
- nyuuseihin 7
- o-penguin 7
- oba-q honpo qt 7
- ocelot 7
- octopus 7
- okamoto nyohei 7
- ol 7
- ommed 7
- onaka sousho 7
- onbundou 7
- one and only 7
- one shot 7
- onechan rabbit 7
- onecoin 7
- oneforall 7
- onsui pool 7
- operation-50 7
- optim 7
- orezashow 7
- osiris 7
- ostin shop 7
- ota 7
- otiba 7
- otochilu cafe 7
- otome no eden 7
- otona ookami 7
- otto 7
- ougon no yofuke dan 7
- outro 7
- over3 7
- oxydan 7
- p no heya 7
- p-850 7