It's overall a good story. The author avoids the typical isekai pitfalls like a spineless protagonist with a harem that fell into his lap.

The MC is a common sense guy, if someone tries to kill me, them I'll kill them. Mercy? You mean I should give them a second chance to kill me? No thanks.

There was one interesting bit of Japanese, umm, culture?... ... more>>

Spoiler

In the silver wolf arc he compares activists trying to protect blood thirsty monsters (literally hunting humans for food) to "idiots" that complain about whaling... Because, you know, hunting monsters and breaking international law to get delicious "biological samples" is the same thing, right?

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It's just funny when you're reading a story, then BAM, you get the one-two combo of culture shock and the author's personal agenda :-P <<less