The bulk update request #4187 is pending approval.

create implication oyupo_kogane (4) -> utau (670)
create implication peiton (9) -> utau (670)
create implication pruno_faustino (2) -> utau (670)
create implication rito_toouta (1) -> utau (670)
create implication rou_kemonone (69) -> utau (670)
create implication rouka_azuma (13) -> utau (670)
create implication saisaki_kato (3) -> utau (670)
create implication sake_hachimitsu (17) -> utau (670)
create implication sarasa_arujine (35) -> utau (670)
create implication sero_tsugumine (7) -> utau (670)
create implication shiki_taigen (52) -> utau (670)
create implication shirane_kan (314) -> utau (670)
create implication shounen_lacan (1) -> utau (670)
create implication sou_notamine (34) -> utau (670)
create implication speedy_torane_(character) (5) -> utau (670)
create implication waltt (29) -> utau (670)
create implication won_hoyurine (6) -> utau (670)
create implication yamato_sumane (7) -> utau (670)
create implication yokune_ruko (4) -> utau (670)
create implication yuuma_neon (4) -> utau (670)

Reason: All of these characters are associated with UTAU voicebanks and can be found on https://vocadb.net, https://utau.fandom.com, or a similar site.

bumping this because it still applies to them and is a good way to categorize these characters, even if not strictly under copyright or any company