In Another World With Cats ~ System Engineers Analyze Lost Ancient Magic Theory and Bring About a Revolution in the World of Magic Tools - Reviews

True his mother is said to be alive but she never appeared till the end.

I can imagine your pain

I love it. Jake does a good job of feeling like a human and not a MC...
It is nice that well Jake mostly goes solo the people he works with keep up in power (kinda It's complicated)
Give it a go for a few chapters worst case scenario you're out sometime ?

ch 1 missing

well not exactly what your asking for but "my necromancer class" is a good and has probably the most thought necromancer army system