BUR #43473 has been approved by @nonamethanks.
create alias milk_factory -> motto!_haramase!_(series)
create implication motto!_haramase!_honoo_no_oppai_isekai_oppai_bunny_gakuen! -> motto!_haramase!_(series)
create implication motto!_haramase!_honoo_no_oppai_isekai_oppai_maid_gakuen! -> motto!_haramase!_(series)
create implication motto!_haramase!_honoo_no_oppai_isekai_chou_ero_succubus_gakuen! -> motto!_haramase!_(series)
create implication motto!_haramase!_honoo_no_oppai_chou_ero_appli_gakuen! -> motto!_haramase!_(series)
create implication motto!_haramase!_honoo_no_oppai_isekai_ero_mahou_gakuen! -> motto!_haramase!_(series)
currently, milk_factory is being used as a general series tag
im not sure how foolproof this is or if there is a better way to show this but if you do a search for milk_factory and then exclude all 5 games in the motto! haramase! series, you get no results