![alice bko commentary_request culling koyukkuri marisa monochrome patchouli remilia touhou translation_request untranslated rating:q score:0 post #79036](https://yukkuri.shii.org/data/preview/5e/82/5e82282ef35edf5b44a24f51fdfa596b.jpg)
When a clan thins their numbers by mass killing unwanted koyukkuris (unwanted adults usually get exiled instead).
Unwanted koyukkuris generally consist of:
Killing of yukkuris are deemed uneasy by yukkuris so in clans that practice culling, there's usually a single dedicated "executor" yukkuri who's the only member of the clan permitted to perform these executions.
Culling is sometimes also practiced by pet yukkuris whom owner limits the amount of children they're allowed to have