Avoiding spoilers, but I very much enjoyed the Protagonist's line and how it echoes something from both the past and the future: "I wish you both luck"
Seriously, the WN, while flawed, is so much better. You read the manga, and you get just the "best friend died, and other people blamed him" and wonder why he's so broken up. The insane pain, terror, and stress he went through just getting out of his random transfer is 99% GONE in this...
Well, the closest I would say is Galactic Navy Officer Becomes an Adventurer.
https://mangadex.org/title/48221bce-0fd2-4519-b5f3-4fdc1921007b/kouchuugun-shikan-boukensha-ni-naru
You're welcome.
@definitionofinsanity
I know a few gunsmiths, and have done some 'hacksaw' level gunwork myself (Dear God, Rossi Leverguns are cheap and cheerful, but they do require some TLC if you don't want to cut yourself on the damn loading gate). I will accept a mea culpa for oversimplifying, but didn't...
Okay, *sigh*, let's try to protect people.
This manga is . . . just weak, across the board. I won't go so far as to say it's terrible, but every single thing it does is just . . . mediocre.
So, let's go with the genres it's trying to attract.
Action - No, while there's a lot, it's all...