I! Zombies, Summoned to Another World by the Necromancer

I am a zombie, a thinking and weak zombie. Because I was weak, I couldn't grab food. My hunger made me live in a haze, and my brain was numb. Until one day, I was summoned to another world by a necromancer. He seemed to have given me some instructions, but I completely ignored them. Being extremely hungry, I ate him directly with my backhand. I have forgotten what taste is, I only know that eating it makes me strong. Comfortable, satisfying, and food I haven't had in a long time. A lot of information I gained by devouring the necromancers' brains. The language of the mainland, basic magic knowledge... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.