Hag (affectionate)

Bland and not very eechi

Hell yeah

Lol

Bruh

Cmon, give her a hand!

Onwards!

What's with the frogs?

After even more reading, it falls off.
The amateur MCs accuracy 99%, Pros 1%.
It gets better again near chapter 60, but still no where near The Fable.

Fresh organs, yummy yummy

Familial bond*

The start is just enjoyable smut, but as it progresses, it tries to have a shit story and becomes less interesting.

He can duplicate money, yet becomes a merchant instead?

LN and WN have huge differences ya. LN and manga have just had small abbreviations of the LN for brevity, which does affect the tone. Q
Though I wouldn't expect the manga to alter major future plot points.

The manga has been following the light novel plot so far, including the thief arc.

https://j-novel.club/series/rebuild-world

The slum kids drag corpses the same way earlier in the manga, Akira included.

Correct

Yes, the light novel is the source of the manga. The pickpocket arc plays out the same way in the light novel as the manga.

I read the light novel and Yumina Katsuya and Airi all die in the same fight against Akira. Though that's far far in the future, probably chapter ~150 in the manga.