Groups
- uncanny 4
- uncats 31
- unceder 3
- uncensoredheart 1
- unco mura 1
- uncomfortable chair 1
- unconscious 28
- undead 6
- undead world 3
- undel 8
- under colony 10
- under control 63
- under ground 10
- under heaven 2
- under hill 5
- under pallet 4
- under the bed 1
- under the honey shine 11
- under village 12
- under77 12
- underdone tank 4
- underground 7
- underground campaign 30
- undergroundou 46
- underlip 29
- undermoon 23
- undershaft 20
- underwear 5
- underwhite 31
- undouken 13
- undresses 2
- uneune-kissa 9
- uneunesuruzo 12
- unfixed 3
- ungrofish 8
- ungrofish yakkyoku 1
- unholy production 3
- uni 6
- uni matrix one 7
- uni no tane 48
- uni piano gakudan 13
- unian 41
- unicchu 1
- unicorn-a 55
- unicornic 1
- unicornis 66
- unidentified flying baumkuchen 12
- uniikuradon 3
- unikurage 8
- uniman 9