Groups
- chuuka hanten 7
- circle katsu sand 7
- circle pugsoft 7
- circle swimmy 7
- circus fetish 7
- citron love 7
- cle2700 7
- close heart 7
- clotus 7
- cnc 7
- coffee kurage 7
- colapi 7
- color hiyoko dousoukai 7
- colour and shape 7
- comecue 7
- command plus z 7
- conium socrates 7
- coopy 7
- cottontail 7
- covare 7
- crayon arts 7
- crazy wolf 7
- cre no monookiba 7
- cream girl 7
- cream taiyaki ya 7
- crear mint 7
- crysis of greenindigo 7
- crystal of wind 7
- crystal strawberry 7
- curtain wall no ie 7
- cynthia 7
- d-ivision 7
- daen 0.5 7
- daichibokujou 7
- daizu 7
- dame project 7
- danlick 7
- danton 7
- dark emotion 7
- dead-line-pop-mania 7
- dearmyfriends 7
- debagame daisoujou 7
- december-girl 7
- dekai tsuno 7
- denjin 7
- dennougiwa 7
- derashine can 7
- destron shoukai 7
- dickpital 7
- digital aniki 7