Groups
- marumaru arumajiro 51
- marumaru factory 2
- marumaru land 3
- marumaru toraen 1
- marume works 9
- marumero 2
- marumi kikaku 58
- marumi-ya 7
- marumieya 5
- marumihoil 1
- marumitei 27
- marumomo 6
- maruneji 1
- maruno keikaku 7
- marunomare 63
- marunomikan 3
- marusan 2
- marusen 3
- marushe 2
- marushiki 8
- marushiro shikaku 1
- maruta production 48
- maruta-dojo 48
- marutaka 5
- marutakedo 1
- marutori 1
- marutori corp 1
- marutori no chazuke 9
- marvelous grace 28
- marvelous zents 7
- mary no yamai 18
- marys boy 2
- maryyy 1
- marz 2
- masa no yu 2
- masago 3-chome 7
- masahiko private academy 15
- masamune 8
- masamune kokichi 114
- masamunedou 7
- masaoyan 8
- masaru-tei 5
- masatsu shoukai 1
- maschera nera 1
- mascot boy 3
- mascot club 2
- masheri 2
- mashimaru soft 1
- mashimin koubou 27
- mashira dou 65