Uhm.. First of all, this manga has pacing issues. It is obvious in the first 3 chapters because it uses flashback in a place where you normally wouldn't have one. I have only read the first 7 as of this moment

By the look of the female characters you can know who joins the MC. None of them stand out other than the first one, or second depending on how you count.

Enjoyment for me was low dues to poor characters, poor pacing, per now a single one dimensional "antagonist" and some choices in the world building. I have read a few isekais and I like isekai, but not this one. Have an otherwise nice day.