Responses
I think she just said that because of the conventional set-up or structure of "man likes woman" or "woman likes man". Must be her own way of explaining things, and take into consideration their area of residence which is Japan. (I believe they're kinda stubborn with this "conventional" setting of straight romance).
If I remember correctly, she did say that she's into girls and boys - when she said she's a man in a girl's body, I figure she must be talking about the percentage of her that is into girls because, well, read the first sentence of my reply :)
I found the beginning very interesting, but the chapter 2 started to confuse me more already. I thought Nono was a trans girl (thought when they said that he became a boy again then a girl, nobody told him that he didn't had to choose ? That genderfluid was a thing too ? Seems it didn't felt like wanted to be one or the other)
But yeah chapter 2, when nao sleep with that girl and she says she's bi I was "yeah cool, different sexual orientation and a bi at that !" but then "I'm a man in a girl's body" Uuuuh okay idk what does it have to do with the fact that you're bi ??? Well I just found this kind of mistakes pretty weird for a manga so interesting with such openminded thematics.
All in all, it's a good story, I really enjoyed the chapter 3. I sense a bad ending but I can't help but look foward to it ! Also I kinda understand Nao when he's rejecting Nono, even though my heart is bleeding for them both. It's very realistic on that part.