Groups
- kazt 18
- keisotsu na ana 18
- kemomimi-chan ya 18
- kiba o muku 18
- kimagure na inu. 18
- kiraku 18
- koji2 18
- konsoul 18
- koutetsu shabon dama 18
- kunkakunka teikoku 18
- kurikomi 18
- kuromame pack 18
- kuusou shoujo 18
- kyuusanpin 18
- laurier 18
- leche 18
- lego 18
- lety does stuff 18
- longlong de cangku 18
- m-keifu 18
- madogiwa oukoku 18
- magic fortune hachioujiten 18
- maguro. 18
- mai-ha- 18
- maimu maimu 18
- majocolony 18
- manaita koujou 18
- mano-ya 18
- manten hoshizora 18
- maple syrup 18
- maruhone hyouhonjou 18
- mary no yamai 18
- maze 18
- memme douza 18
- meshikutteneru. 18
- mikouken 2nd 18
- milk bar 18
- milk plus 18
- mofu shippo lab 18
- molfo 18
- monya circle 18
- moradolog 18
- muremure kaisendon 18
- mycology. 18
- myon plus 1 18
- nagatsuki 18
- nananto 18
- nanatsuboshichuu 18
- nanika-modoki 18
- natural 18