- Alternative Character Interpretation: Did Moyori really love Kouhei or did she see him as a prize to be conquered? She never extols her own virtues when trying to win him over and rather uses the opportunity to put Sanae down and make him doubt her. Even after she briefly won him over (by catering to his insecurities) and promising to be "just right" for him, she remains a pretty rotten girlfriend.
- Awesome Music:
- Himegeki, the song that plays during the first half of the Yuki vs. Magari battle during August.
- Koyori, Kibanaki Tuki No Shita De for the second half, as the duel continues even after the two lose their godly powers channeled into them.
- The same goes for Harvest December, the game's namesake theme.
- Genius Bonus: The sixth family of Rokushiki Island being the center within the other five. Taking Theme Naming into account, the number six is the first perfect number above one: meaning it is a sum of all of its own factors.
- Harsher in Hindsight: Shiro and Shirou getting hit by the car in the Spring intro video looks very comical. When it happens in the actual story, the descriptions of the impact and the fact that Mayoi was actively trying to kill them right there turn the scene into Nightmare Fuel.
- Magnificent Bastard: Masaki cements himself as one in February and solidifies it during August.
- Moral Event Horizon: Shiro comes dangerously close in the first chapter by refusing to save Masaki and Yuki's lives unless Masaki has sex with her while Yuki is forced to watch.
- Rescued from the Scrappy Heap: Shiro becomes far more respectable after finally doing something selfless by standing against an entire horde of minor gods to protect Masaki despite being Brought Down to Normal.
- Squick: The scenes that describe how sick Yuki is as a result of her pregnancy can be this.
- The Scrappy: Moyori Uesugi, the Smug Snake Rich Bitch Student Council treasurer who intentionally torments Mizuho, makes Kouhei doubt his feelings for Sanae, and practically gloats about winning him over in October. She is also more at fault for Sanae's leg getting paralyzed than anyone else. And despite offering to help pay for Sanae's rehab, it's her family's money and not her own.
- Slow-Paced Beginning: The first chapter has a bit of a slow start and the Love Triangle plot may turn people away, but it and the series get better the further they progress.
- The Woobie:
- While his situation is very much his fault and often Played for Laughs, it does become easy to feel very sorry for Masaki given some of the crap he still has to go through as a result.
- It's also hard to not feel sorry for Shiro and give her a hug post-Character Development when she breaks down in tears and begs Yuki to give Masaki to her after she reveals how lonely she is after all of her previous husbands left her or died before they could meet their child with her.
YMMV / Harvest December