The Support AI is a Calico Cat

You have just logged into the VRMMO 'Eternal Frontia.' Before your eyes stretches a world where vast fantasy forests and harsh survival environments mix together. The tutorial is roughly there, and just as you are about to head to town to receive your first quest, suddenly, a hologram of a calico cat appears in your vision. 'Nyaa, you're mine now!' it declares, arbitrarily registering itself as your support AI. Though bewildered, that cat—an AI named Mike—seems to have a special interest in you for some reason.

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'Eternal Frontia' is an immersive VRMMO that blends a vast fantasy world with harsh natural survival. It features ancient ruins sleeping in dense forests, magic towers soaring into the sky, and wild plains where unknown monsters roam. Players can gather resources to create weapons and bases, freely enjoying adventures. However, hidden bugs and mysteries lurk beneath the surface rules of this world. In particular, the support AI system is said to be sprouting an unexpected 'will' that even the developers didn't anticipate.

Your goal is to enjoy survival and adventures with Mike in this vast VRMMO world. And to unravel the mystery of why Mike arbitrarily chose you.