Alt-itis: Actually encouraged, as having multiple characters at certain level milestones unlocks bonuses.
Obvious Beta: From Izumo onwards, there are issues such as sidequest characters' dialogue untranslated and cities such as Kyoto being sparsely-populated.
Memetic Badass: Onibro has been given a cult-like status as a gigachad. Expect fans to worship Onibro at the expanse of his sister.
Never Live It Down: OniGiri's constant burning of her rice despite her Supreme Chef status has made her a butt of jokes. To this day, her chat constantly reminds her not to burn her food.