Last chapter could have been a huge moment of self reflection for Megumi on how blisteringly inconsiderate she is of Aoki but all she got from that whole moment was "I gotta see how big of a slut my secret boyfriend I won't admit to dating is."
But everything is allllll better because she squashed some anime titties on his back extra hard so phew, dodged that bullet where she could've learned something, everything's hunky dory!