@Lock As a non-straight person, I personally connect to all the characters a lot, in various aspects. The focus does shift between them often, but I think the author has managed to tie it together as a thematic whole rather than a straight-forward narrative. Similarly, I feel like this manga will definitely read better when it is completed, because all the loose plot threads will circle back nicely.
That said, I feel like the story is nearing to a close soon ): what with the wedding drawing near, Tsubaki coming (somewhat) to terms with himself, and Tasuku about to face Misora again.
@Elli They/them can be used as a non-gender-specific singular.