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Also Usagi's one overweight friend was considerably thinned down, for this exact reason—Kibate doesn't care for bigger women and said so.
Adaptational Angst Upgrade: Not much is known now, but Usagi's parents are apparently not together and her father was in an accident.
Alas, Poor Villain: Jadeite: When asked for his last words, he has a flashback to Nephrite telling him to "Remember what you are fighting for..." which makes him flashback again to all the things he has fought for. His Last words? "LONG LIVE KING ENDYMI--"
And I Must Scream: Jadeite suffers, just like in the original Anime, from the "eternal sleep", which is him getting trapped in a giant crystal and sealed away somewhere. Queen Beryl remarks that he will lose his mind over and over again without ever dying.
Chekhov's News: Chapter 7, Nephrite recalls mentally the report on Naru as he's planning on how to get a demon on her. The Report mentions that the moment of her natural Energy Peak will be on the date of 20-12-2012, at 1:42am. Guess what the date/time of Nephrite's death is?
Civvie Spandex: Usagi even hangs a lampshade on how her Sailor outfit looks the same as her school uniform
A "Miss Meioh" appears in Chapter 2. That you, Pluto?
The rainbow crystals and the associated youma are also appearing earlier than they did in canon. And just to make things crazier, several of them are appearing at once.
Technically speaking, Luna's human form is this.
Engrish: Kibate's native language is not English. In 90% of the comic, it's impossible to notice. In the camera segments, not so much. His English is at other times, is excellent.
Genre Shift: From the original's shoujo and sentai formula to shonen sentai.
Good Scars, Evil Scars: Jadeite has two: the vertical slash down the eye from his fight with the Mask and a disfiguring burn scar on one half of his face from getting blasted with one of Salior Mars's attacks
Police Are Useless: Averted, the police are investing the monster attacks and a cop is willing to help out Sailor Moon and not ask questions.
Reality Ensues: The police get involved with the attacks, the monsters leave bodies, there is property damage and the Senshi and the victims are visibly affected by the attacks and people do get injured.
Secret Keeper: Interestingly, Naru knows, but Usagi has no idea about that.