Excellent development!
She's not going to hold a grudge against the goblin mom. As far as the princess is concerned, an ally is an ally. Very pragmatic, and also fair to offer compensation for the assistance.
Dunno why the ground is 'hot', but I suppose that will be clear next chapter.
"Old"?
They are not anywhere close to being old. What the hell?
I mean, it's a pretty funny setup, and I hope to read more, but that "old man" gag is not working for me.
Really good story. We often get the modern Japanese who reforms agriculture and industry with their knowledge off technology, but this guy understands that keeping a territory requires constant maintenance, and the occasional 'example'.
A different kind of knowledge, but as important as crop...
This is the weekend, and they just escaped by dying together. So when they go to sleep on Saturday night, won't they be back at the ruins? I wonder how much time will have passed in the other world?
Ah! Will library-chan get pulled in, too? I mean, they'd have to fall asleep together on the...
I'm really glad that his allies are reliable, so he can set them to a task and proceed by himself. That is a great characteristic of his team.
The dust detonation was a nice idea, using mundane knowledge to supplement a smaller application of magic wind and flame.
Eating the flesh of one's...
"Karate baka" ?
Reminds me of a Ranma 1/2 fanfic or two.
Ranma often ends up in a parallel fantasy world, and he really dislikes cheat skills.
Now, all we need is for MC to turn into a girl with cold water, and for him to pick up a fiancee!
There a "Fishing in Japan" YouTube channel called "Kakapon Supopon" that's fun to watch. He often ends up eating the fish art the end.
Also the Shimano fishing channel.