深淵覚醒~機甲と復讐の終末譚~

Can one man sacrifice his soul to save his blood? Betrayed by elites, Evan Yates awakens a terrifying power to devour and evolve. To save his sister Snow, he summons a mecha to crush his foes. But as Lord Evan nears the throne of the Abyss, a dark truth emerges: Snow is the key to a cosmic trap.