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Artist's commentary
Ku-koro Yocchan.
Yummy, yummy~
An incredibly strained pun of "Ku! Korose!" and "korokke (croquette)".
"Ku! Korose!" (Confound you! Go ahead and kill me right now!) is a stereotypical eroge phrase by a female knight about to be raped by orcs. Often used as a kind of meme and is sometimes abbreviated as βku-koroβ.
See also its Nicopedia.