Kiwi asks…
What does "Gem-kind" mean? Is there any other way to use it?
Answer from a Native speaker

Rebecca
"Gem-kind" is used as a proper noun, parodying the word "Mankind". It's a term only used in this animation.
Listening Quiz
1/2 STEP LEARN
Oncheon-ro 45, Yuseong Prugio City unit. 208. Yuseong-gu, Daejeon
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