Nanami making sure Yukiji takes the "medicine" Tomoe got her in the past, despite how much it must have hurt to see Tomoe care for another.
Tomoe proposing to child!Nanami in chapter 62. Not to mention he FINALLY spit it out.
At the end of chapter 65 Nanami discovers what Tomoe really thinks of her: as a flower bud that will one day bloom.
Nanami and Yukiji's interactions with each other, even more so if you know their true relationship.
Yukiji's husband refused to take another wife because he loved only Yukiji.
Tomoe, a ruthless Youkai, actually trying to make Nanami happy by showing the cherry blossom.
The Fallen God Kuromaro is actually a very nice person who would happy to die to help people.
The birth of Yukiji's child.
Yukiji died in happiness and reunited with her husband, knowing that her child will live and her bloodline will continue to exist far into the future.
Nanami and Tomoe finally admitted their love for each other.
Unari is a very powerful, but very lonely sea guardian who's very self-conscious about her looks, being half mermaid and half dragon. Mizuki tells her that he understands loneliness and isolation, then gives her a hug.