Tropes

Big Creepy-Crawlies: The Weevil Amazon.
Brain Food: The Elephant Amazon, as does the Weevil Amazon, prefers to feed on human brains by sucking them through the ear canal.
Cruel Elephant: The Elephant Amazon
Kill the Ones You Love: Mizuki makes clear that she isn't afraid of killing Haruka if she needs to.
Morally Ambiguous Doctorate: The Elephant Amazon is a doctor, and uses that position to entrap his next victims/meals.
Noxious Nurse: The Weevil Amazon.
Riches to Rags: Mizuki reveals that, between season 1 and season 2, Nozama Pharmacy was closed down and her mother even sold the house.

Recap / Kamen Rider Amazons Ep 16 Persona Non Grata