Honestly, it looks like she only grew in one place - the rest of her is basically identical to her pre-time-skip appearance. (Which, like, sure, author and artist should do what they want and live their best lives.)
Yeah, this chapter has me feeling better about my very similar theory. The bit about a conversation that drops hints being foreshadowing was, itself, foreshadowing.
It does feel like there should be a term for "not formally dating, but comfortable enough with each other that she's flashing her cleavage and panties at him without thinking, but not so comfortable with each other that they don't both get extremely embarrassed about it".
This was exactly the correct place to put this, right in the middle of a slew of horny people that can't spell a three-letter word correctly. :pacman:
Others have already said this, but you've got tons of life ahead of you. It's okay to regret what you missed out on, but there are going to be...
lmao one final middle finger with the ochazuke
(I do wonder how many people caught the significance; I was kinda surprised to not see a TL note about it in the afterward)