Groups
- kitanai ouchi 6
- kitsune no daishokudou 6
- kkk 6
- kmtbknm 6
- kodomo challenge 6
- koeda shouten 6
- koharumachi 6
- kokesimuken 6
- koko sou iu mise janainde 6
- kokon no kaze 6
- kokuryuuki software 6
- komanoma 6
- kombu choco 6
- komorebi 6
- konekopan 6
- kongari tokei 6
- koritz 6
- korogatte mo ice 6
- kotoba asobi 6
- koukotsu panda 6
- koushirou 6
- koutoutei 6
- koyuki-ya 6
- kreuz 6
- krgmice. 6
- kubagasa honpo 6
- kubaya 6
- kubokenya-san 6
- kud2 6
- kuma aji tounyuu. 6
- kuma knights 6
- kumao cafe 6
- kumaya 6
- kumo no michi 6
- kura-shiki 6
- kurenai book 6
- kurenai shoujo 6
- kuroneko 6
- kuronekodou 6
- kuroyashiro 6
- kurumian 6
- kushiyabu 6
- kuzumochi 6
- kyounetsuzanbun 6
- kyuryo koen 6
- kzentertainment 6
- l-calena 6
- l.g.c. 6
- labitan 6
- lacryma danjou 6