It probably won't matter too much because the vibe I'm getting from the author so far is that they dont really care for battle scenes and more are making this manga mostly because they want to draw the really cute girl. If the manga isn't about him battling it makes sense for those scenes to be...
Only one chapter out as of writing this but this seems like some stupid enough rom-com crap that it might be enjoyable.
Also side note for the dad:
is it polygamy if your wife splits into four different people?