The bulk update request #8423 is pending approval.
create implication gacha_(series) (22) -> lunime (21)
create alias gacha_life (6) -> gacha_(series) (22)
create alias gacha_club (6) -> gacha_(series) (22)
create alias gacha_world (3) -> gacha_(series) (22)
create alias gacha_resort (5) -> gacha_(series) (22)
Reason: I don't think the individual games are notable enough to keep separate. The series was made by Lunime.