The fact that you even use the term "herbivore male" unironically says more about you than the series.
Yeah, it'a generic, but so is most stuff, especially isekai or power fantasies. If you don't like it, don't read. That's what I do.
The mom seems like a classic case of a malignant narcissist. Has a golden child and a scapegoat. Tries to live vicariously through the successes of her favorite.
And even if a child is a golden child, the moment they step out of line, the mom's abusive side would come out. Sometimes the kids...
Yeah, these series are made for horny teenagers. Adults fans tend to grow out of it and just begin to roll their eyes. As an older reader myself, I know I care a lot more about the story and characters these days than fan service.
Ah, typical manga cliche of a girl being by herself meaning she's free to take by force.
I swear, it's like those old cartoons of cavemen hitting a woman over a head with a club and dragging her home.
This story definitely has the feel of a former ero artist- ie, good art, but the actual dialogue is just bad.
Dude somehow knew he's the 4th fastest runner in town?