Bullet Magic: reincarnated into another world without magic

Warning some illusive content and a lot of violence is involved in this story i would recommend children under 16 consult with a parent but would strongly advise against children under 13 reading.

Zain was reincarnated into another world of magic with dungeons and monsters. He focuses on working on his business and progressing through the adventurers guild ranks. But things can take a turn at any given point pulling him more one way than another. How will this unpredictable story unfold and how will he balance all of this?