I will be answering this assuming you are talking about the blushing; personally, I believe it is used to emphasize her cuteness as well as her awkward/timid nature in this situation. While I do agree it is still weird how in some scenes she has little to no clothes, it is also used for showing...
Tsunderes my enemy!!!! But I just can't help loving how crazy they are, if they just communicated every problem will be solved but the cycle of a tsundere is vicious. (said by someone who has seen the tsundere kill their beloved by accident)
This is what makes timeskips weird. We get no true progression of the character in some works, it is especially obvious in this one where there is such a drastic change in character; overall glad to not be the only one who thinks MC became more immature.
I am still reading this though it is...
just came to say that fighting in those heels looks like such a pain, whoever wears those things would fall backward after standing for literally 3 seconds... this is coming from the guy who loves ballet high-heel boots, which are a monstrosity, but they are cute!!
When I first started reading this I was scared because it felt a bit toxic (maybe a lot). But after binge-reading the whole thing today, I am glad. It is cute in a weird way to me idkk!! Ty for translating^