99% of the people who watch Hibeke! Euphonium ships Kumiko and Reina. Even the voice actresses of Kumiko and Reina ship each other. There has even been radio skits that the actresses do to try to make the ship canon. But nope the author's like nah m8 I'm just gonna put Kumiko with I-got-cockblocked-by-Reina-at-least-5-times-in-the-past-36-eps MaGee.