I think the marriage tag should be removed because the ceremony to become a shrine maiden is held like a wedding so Reimu wears traditional wedding clothes, not because Yukari and Reimu are married.

^Because of her appearance?

Doujin was written in C89 (2015), this song was published in Reitaisai 14 (2017) by GET IN THE RING. A song was based on a doujin 2 years ago, lul.
Cover album is beautiful.

Doujima x Akari end game? More likely than you think.
Reminds me of that Tonari no Kaibatsu-kun side pairing. The one baseball guy and the gyaru.

Nope, I don't think this is Nakatani's style. in the end, I think they are good friends, maybe.