Groups
- kaibido 15
- kairaku 15
- kamikawa studio 15
- kansyouyou marmotte 15
- kasakigumi 15
- kaya no soto 15
- ke-kiyasan 15
- kezukuroi kissa 15
- kirikizu koh 15
- kisama soredemo ningenka 15
- kitakami triple 15
- kitazawa sangyo 15
- kokochikyuu 15
- kokonokaya 15
- kokoro ga oreteru 15
- komansha 15
- konton lady studio 15
- koorigoya 15
- kore owattara yakiniku ikuwa 15
- kosokoso beya 15
- kotatsu no tsukaima 15
- koutetsuro 15
- kozuki sousaku dokoro 15
- kuroi kyoudain 15
- kurukuru ponzu 15
- kyojinkou 15
- kyosuu 15
- kyouken diners 15
- laboratory 15
- lamchat 15
- lapiss 15
- libra heart 15
- lilim nama 15
- love sharp 15
- lovelytes 15
- m kichibeya 15
- m-i-p 15
- m.a.f 15
- m2230 15
- mabatakimosezu 15
- mad-puppy 15
- madobuchiya 15
- magical manana 15
- magicalflight 15
- mahola 15
- mahou shoujo club | magical girl club 15
- maichan kikaku 15
- majikayo 15
- makka tintin 15
- mammypoko 15