Hummy may become able to transform into a human later on.
Siren helps two other girls transform into evil Cures.
Mephisto is a Disc One Final Boss.
Siren is going to pull a Heel-Face Turn.
Three of the Fairy Tones are for other Precure.
The true identity of Cure Muse is Siren.
The true identity of Cure Muse is Cure Symphony
The true identity of Cure Muse is Cure Beat
Suite takes place in the same universe as Yes! Pretty Cure 5, but in the future......And Rin is Hibiki's paternal grandmother, hence why Hibiki likes soccer so much and why her father Dan looks so much like Rin. Well, everyone knows that the Pretty Cure All Stars movies aren't canon, so... Alternately, if you're in the crowd that considers the All-Stars movies canon, it could be said that Rin's mother Kazuyo is Dan's widowed sister (Rin's father probably died prior to the start of the series, as he was never seen onscreen during YPC5's run and Kazuyo keeps her married surname instead of switching back to her maiden one thus discarding a divorce possibility), thus making Rin and Hibiki cousins. Either way, the Fiery Redhead soccer loving tomboy gene is probably In the Blood.
There will more Pretty Cures
The true identity of Cure Muse is Hummy
The true identity of Cure Muse is Aphrodite
Theory about Hibiki's sexualityThat's a bit of a stretch, but she's the only girl in Aria Private Academy that doesn't crush on Ouji, who appears to be so handsome no straight girl can resist him. With that, it could be only said that...
Otokichi is Aphrodite's father or grandfather.He's been helping the Precure on a few different occasions now, most recently (at the time of this writing) playing a song that not only saved them from a Negatone, but also caused Seiren to comment on the power she sensed from the person playing. His work on the pipe organ also seems to be tied to the melody of happiness, as the notes were drawn to the sound of it. His eye color is similar to that of Aphrodite, and his overall look seems to be more like someone from Major Land than someone from earth.
Otokichi is really an internet troll, when not working on the organ
Hummy's place in the second Ending will be replaced by Cure Muse after her identity is revealed.Given the camera angles used in the sequence, it looks like they set it up so they just have to replace Hummy's model with the new cure and re-render it. Hummy's even riding on a Yellow platform at one point, a color that has been linked to the likely 4th Cure (not counting Muse as she currently appears).
Siren's High Heel-Face Turn ruined the bad guys plans, they just haven't realized it yet.They could probably find a replacement or sing themselves.
Grand Unifying Theory: Mephisto and Aphrodite are husband and wife.It's a pseudo-redux of the relationship between the Dark King and the Queen of Light. At some point in the past, Major Land and Minor Land were united into a single kingdom with Mephisto and Aphrodite ruling over it. At some point, Mephisto came into contact with the Noise of Evil — a power source with known brainwashing capabilities, whose emitters he can be seen wearing over his ears in some scenes — and the kingdom split after he fell under the influence of this season's Eldritch Abomination. Hence why he seems relatively harmless compared to past Big Bads, there's a Man Behind the Man pulling his strings. This falling out between the king and queen — similar to a divorce in the effect it has on the family, especially the kids — resulted in the daughter of the two rulers, one Ako Shirabe (most likely an assumed name), turning into a jaded and cynical Rebellious Princess and running away to Earth, where she takes up the mantle of Cure Muse, using stronger-than-normal disguise magic to conceal her age in order to hide from everyone, especially her parents. This is why she says she's not on anyone's side, that would entail siding with one of her parents when she's rebelling against both of them. Otokichi is Ako's grandfather — probably on Mephisto's side because he refers to having a son early in the season — and is hanging around to keep an eye on her.
Kanade was supposed to be a green-clad Cure, but was unfortunately changed to white and pink before the designs were leaked.They probably changed it, either because they thought pink and green wouldn't make a good couple, or to, much like they said in an early advert, "put girls' favorite color (pink) on display". When you think about it, there are many hints splattered around for this.
The voice Hibiki keeps hearing isn't real.She is simply experiencing auditory hallucinations.
Cure Muse is Ako from an alternate future.A few years from now, in an alternate timeline, Mephisto rules all three worlds after the defeat of Cures Melody and Rhythm at the hands of Trio the Minor. Ako, who is one of the only people left who have not succumbed to the Melody of Sorrow, becomes a Precure to combat the forces of Minor Land. She discovers a way to travel back in time to assist Melody and Rhythm, hoping to Set Right What Once Went Wrong. She takes on the guise of Cure Muse in order to not interfere too much with her own past self.
The season will end in a cliffhanger, and The Movie will be the finale.
The reason the Melody of Sorrow was completed was because of the March 11th disasters in Japan, according to someone who wrote Suite Pretty Cure.