God I hope LWA comes back in some shape or form with more of these two. Theyre obviously well aware of this pairing, I wish they had the nads to just make it canon.
Yep, echo everything Eveline said, and I'll add that not only is off the mark, but also out of character, definitelly not an reaction you would expect from Nanaka, if anything it's ought to be the other way around, but still a reach since they see each other as teammates
^ Leonie attracting lots of girls is canon too. IIRC in one of her tea party lines (I think it's Japanese-only?), she talks about how she gets confessions from girls and doesn't know how to deal with them.