- Fernet appears in the artwork for and is quoted in the descriptions of , , , and . She also appears in the artwork for and .
- Fernet is one of the few Orange_Juice characters known to have parents.
- Fernet appears to be a tsundere, and she seems to show interest toward .
- Fernet and Marc were classmates despite the difference in social class, until Marc presumably dropped out to join the guild in Flying Red Barrel.