I believe that this sudden influx of gals having focus is a ploy by Japanese government to get nerds to stop caring about idealistic pure girls so much, and have them go for chicks that put out.
Protag switching into sex-romp dialog whenever sex-scene starts is really weird.
I mean stuff like "When she's thrust into, she can't help making a dumb face, the girls of this world are really pitiful."
What the hell is this dude's problem?
If Maki was general nice girl I'd be more annoyed by her presence, but she has enough attitude to still be amusing. I'm fine with her being there.
While a story of total idiots stumbling through fantasy world would be funny, doing that effectively would be much harder than simply having somebody...
Nah, that's cool with me. But when has that ever happened? MCs will always find a way to recharge whatever modern things they were carrying when they got truck'd.