Groups
- kureka 4
- kuro zuishou 4
- kurogane 4
- kuroinu 4
- kurokawa ginzan 4
- kurosio bussan 4
- kuroyagi koubou 4
- kusarikake melon 4
- kusuribako 4
- kuuchuu aquarium 4
- kyapefuro 4
- kyodai chichimomi 4
- kyouken dance 4
- kyoumen aquarium 4
- kyousatu 4
- l.s.p. 4
- lagoo 4
- lala studio 4
- lamipas 4
- langmaor 4
- lank match 4
- lasagna club 4
- last linkage 4
- lastcrime 4
- lazy child 4
- lazystyle 4
- legion gumi 4
- lemon soda 4
- lemoncrepe 4
- let go 4
- liberte 4
- libido kaikan 4
- ligaya 4
- lightning 4
- lilac soft 4
- lins works 4
- lion-engine 4
- lire 4
- little kinetic 4
- little note 4
- littlegraffiti 4
- lively boys 4
- logiuni 4
- loli goranyo 4
- loli star bitch 4
- lolipop 4
- lolita core 4
- love and peace 4
- love kyun maiden 4
- love shine 4