Wow, you weren't kidding. Story spoiler:
What a moron of an author, though I should have realized they wouldn't be able to tell a proper story after that bug arc. Dropping this immediately, thanks for the heads up. I highly suggest any current readers check out that arc before continuing.
Try "Something About Us" https://mangadex.org/title/922d3987-3cb9-4c42-a510-db10795cafc0/something-about-us
I'm not sure about having no drama, but I remember it being a good read. It's been a while since I read this so I'm not entirely sure, though it was good enough that I plan to revisit it...
What? There was no flirting with blue head at all. Also, she is reasonably upset because he ditched without telling her when they clearly had been eating together and going back to class to hang out as of late. He literally left her to eat by herself just because his friends teased him. Then...