Skalain, a man from Earth, abruptly awakens in a dimly lit stone room, disoriented and bewildered. As he gathers his senses, he realizes something is drastically different about himself. The world around him feels infused with an inexplicable aura, and he senses a powerful presence within him. Before Skalain, a mysterious system materializes, shimmering with arcane symbols and pulsating with an otherworldly energy. Skalain, driven by an insatiable thirst for understanding, delves into the depths of this newfound necromancer's system. - System, Villain & Chaotic-Neutral & Evil MC No Harem -

What he will choose is a mystery: to save or not to save, to kill or not to kill.