Katrinne is Oshare's owner and Maria's friend back in France. She first appeared in Bonjour, Oshare!.
She appeared in some episodes where she comes with Oshare to Japan to visit Maria. Both she and Oshare are Parisian supermodels.
- Although Oshare has a major role in A Valentine Battle!, Katrinne only appears at the airport and does not have any lines.