"Chibiusa's Picture Diary Chapter 1 - Beware of the Transfer Student!" is the 1st chapter of the "Chibiusa's Picture Diary" series of short stories from the manga. It was written and illustrated by Naoko Takeuchi.
During Chibiusa's first days at Elementary School she meets new friends, Momo and Kyuuske, but she thinks there is something off about the transfer student, Lilica. She and her friends visit Lilica's house and discover she is a vampire before they are saved by Sailor Moon and Sailor V.
This short story takes place when Chibiusa's starts attending Juban Public Elementary School placing it near the beginning of the Black Moon arc. It opens with Chibiusa introducing herself to her class with her proper name "Usagi Tsukino".
- A special episode of SuperS: "Chibiusa's Adventure: The Vampire Mansion of Terror" is based on this short story.
- Chibiusa imagines a Sailor Guardian version of herself "Sailor Chibi Usa Moon" who has a cape among the differences from the true form she would later take.
- This is Sailor V's first full appearance in the Sailor Moon manga despite being shown rather often. Her earlier showings were either as in-universe promotional art, ads, images, newspapers, flashbacks, and in the videogame. Before this when in the flesh Minako would transform into Sailor Venus - not her original form.