The Relic of Hoomspire

10,000 years have passed since 2086 BF scorched the planet, forcing humanity to slip beneath the surface in desperation. They had settled into a comfortable life in their subterranean cities, and had everything they ever needed - food, water, power, and all the technological marvels that could sustain them. But merely sustaining wasn't enough for Mei, a motherly 16-year-old who craved adventure above the surface but was afraid of her own shadow. Thanks to her insane yet brave little sister ...