Groups
- kedamono soft 7
- kee sanpo 7
- keister 7
- kenkou kyoushitsu 7
- ki ni suruna 7
- kiheitai 7
- kikiki no kikki 7
- kikumaru himitsu energy koujou 7
- kindergarten21 7
- kinema bambi 7
- kinkacha 7
- kirinkirin yakyuubu 7
- kisetsufuu no fukutokoro 7
- kitchen channel 7
- kkkk 7
- kohitsujitei 7
- koiuta. 7
- kokusai tenjijou uramon 7
- komatta tomato 7
- kome kyuujuu 7
- kongou rikisi 7
- konnyaku 7
- konowata 7
- kooky 7
- koremiyogashi 7
- koromoya 7
- koropot 7
- kotsubuan 7
- krutta fan 7
- ksk. 7
- kso numbers 7
- kuma x usagi 7
- kumakan 7
- kuniku no saku 7
- kurasan 7
- kuro bokujou 7
- kuro inu sha 7
- kuro otoko 7
- kurozume fuuta 7
- kurumiya 7
- kusariku 7
- kuusou jikkenshitsu 7
- kuzu no kagami 7
- kyodai kidou yousai kyoushuu 7
- kyosuu shiniki 7
- labo 7
- laboratory 09 7
- lacky cat 7
- landcut 7
- latte 7