Dark Wizard: Rise! My Undead Army

(The rating has just been released and will increase later.) [Dark Wizard + Genius + Undead Side + Decisive and Ruthless + Dimensional Warfare + Slow Start] Lynn, who is terminally ill, does not understand why she was thrown into this cruel alien world. Mother Earth generously granted him the ability to record and analyze (Xiao Kai doesn't count as Kai). But facing a disastrous start—falling into the clutches of the mafia and about to be sold into the "Nightingale Pavilion"—[the situation is dire]. Lynn decisively chose "If you can't beat them, join them!" From then on, the "Bloody Hands Gang" gained another notorious member, "Abacus Snake". He originally thought he could accumulate start-up capital by leveraging the convenience provided by the gang. But an unexpected turn of events disrupted his plans. What? A wizard? Recruiting apprentices? Great news! We can become noble mages too? What the heck? A dark wizard? ...