Groups
- katakuchiiwashi 5
- katakuri house 18
- katakuri kinako 1
- katamari up 18
- katamari-ya 174
- katame koime oome 4
- katameru factory 12
- katamichi kippu 27
- katamichi shoujo 10
- katamimi buta 58
- katamimi headphone 34
- katamusubi 1
- katana 2
- katanagei koubou kazya 2
- katanashi apollo 17
- katapatties 1
- katappo-sandaru 1
- kataribeya 10
- katarite to tenganyaku 8
- katase kirino 2
- katasumi de meisoucyu 1
- katatema dou 1
- katatsumurikoya 1
- katayude pasuta 1
- katayude tamago 24
- katei saien 38
- katekin koubou 6
- katerina18 1
- katooya 55
- katou eroge koubou 4
- katou seiki seisakusho 1
- katou suzuki 30
- katsu tights 9
- katsubushi 1
- katsudon umauma honpo 5
- katsudonman 1
- katsuki honsen 2
- katsuma gokurakudou 13
- katsuo matsuri 1
- katsuo shisetsu gallery 29
- katsuobushi 45
- katsura kasumi dou 1
- katsuwaro 1
- katsuwoya 1
- katugi-ya 12
- katuobusi 4
- katuraya 8
- kauda project 1
- kaudan kara ochita 1
- kaudenya lab 10