Groups
- umikaidou 56
- uminari 32
- uminari no saki 2
- uminekotei 14
- uminoie hamanasu 14
- uminouie 3
- uminoya 1
- umio kyuuban 1
- umipro 2
- umitsuki 2
- umitsuki seisakusho 3
- umiyamiya 4
- umon paradise 13
- umong paradise 2
- un gallo 14
- un-moto shoko 11
- una casita 3
- una hiyodou 9
- unabara 1
- unadon 3
- unadondon 3
- unagi 1
- unagi academy 1
- unagi no nedoko 64
- unagigoya 31
- unaginobori 20
- unagiyasan 67
- unahouse 22
- unap 20
- unbabatei 2
- unblock 18
- 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