I want you all to pay attention on her bag. It shows a reference to another anime/manga, called "Goldfish Warning". Both mangas/animes (BSSM and Goldfish Warning) were seen on a japanese magazine called "Nakayoshi".
earthguardianmamoru: “ – Sailor Moon`s Items and Weapons for all 5 arcs After drawing the items and weapons for my Earth Guardian Mamoru comic, I decided to the originals as well. Here are all of Usagi’s magical girl gadget