"I, Uruuno Marika, fall in love just like any normal person."
"To live normally. To fall in love normally. To have a normal wedding, build a normal family, and die a normal death."
I think she just means normal as in without anything special or weird happening.
I think the manga makes it really clear that she considers "straight" as part of her normal and that will be a central focus of the manga. I could be wrong, but I think this manga will be about MC overcoming her heteronormativity
Again removing heteronormativity shouldn't be about twisting everything so straight people will walk on eggshells all the time and be afraid to not include some very minor part of minor group when they talk
Sure, but there's also nothing wrong with pointing out that heteronormative things are heteronormative
Also
well, the thing is... it might be the translation, so it's hard to say for sure, but the way some of her internal monologue is worded makes it sound less like it's her who's not used to seeing gay people, and more like it's the author themselves who thinks that homosexuality is abnormal? stuff like
I could be wrong, but I read that part as the author showing us MC's thought process. That is, that SHE assumes that normal implies straight