@Terrence

I recommended
Kimi No Todoke
Kamisama Kiss
My Love Story
Black Bird

She disliked them all

I love Ancient Magus Bride but I felt Romance with Sci-Fi especially Dark Sci-Fi would automatically make my sister say no.

The only problem with comedy is that a lot of those comedy manga make jokes involving Japanese culture or media.

Like in monthly girls nozaki-kun that bicycle joke about not having 2 people on a bike together, she would probably yell at me saying how am I suppose to understand that.

Speaking about GoodNight PunPun I personally find it scary to read. So I can see how others may be put off.

Also definitely go read A Brides story again it's one of my personal top 5.

@Terrence I was the manga librarian at anime Boston for two years! About a decade ago

I'd just like to chime in with this good ol' article. That pretty much paints the picture that, yes. If you want a second season of your anime, you'd have to buy the blu-rays.

http://goboiano.com/list/5373-anime-producer-explains-why-second-seasons-don%2527t-happen

Now of course, there's probably some other interesting ideas other than that. For example, Light Novel second seasons are more likely to happen due to good sales of Light novels. Though maybe Sam could pitch in. I'm not sure how well Konosuba sold blu-ray wise, but it did increase the sales of the novel by threefolds.