Groups
- clipclap 4
- clipline 4
- clipper 1
- clocha 2
- clochette 125
- clock 18
- clock clock 1
- clock hearts 1
- clock sand 2
- clock star 11
- clock work 14
- clocklord 6
- clockrock 2
- clockup 182
- clockup kikaku 2
- clockup team anise 9
- clodia 9
- clop plots 1
- close heart 7
- close moon 1
- close to you 1
- closeranks 6
- closet child 9
- clotus 7
- cloud nine 3
- cloud noise 36
- cloud palette 43
- cloudair 91
- cloudnine 1
- cloudy 5
- cloudy eyes 8
- clover 19
- clover kai 31
- clown 15
- clownculture 42
- clowns 9
- clr 1
- club bacteria 5
- club dark-shadow 1
- club doll 15
- club haniwari 2
- club kg 1
- club milk 5
- club renew 12
- club stripes 198
- club-xxx 1
- club-y 20
- club-z 88
- club54 60
- clubmatt 6