To those not in the know, Sango's/Manatsu's charm points are their cheeks/lips respectively when they transform, which explains why they're the one mimicking the Nyammy/Lillian transformation phrases.
Sparkles on my cheeks!Cute lips!What's with that...?Eh!Laura, you haven't seen WonPre?!A new episode of Pretty Cure is coming out tomorrow, so make sure to watch it!!