Karin Yuitsuka/Plot

Background
At one point, she was part of a squad with Katagiri and Ichijō as part of the 2nd generation of Azuma Squad.

Introduction Arc
Yuitsuka makes a brief appearance at HQ, greeting Jin. In the anime, Jin tells being so grumpy is a waste of "such a pretty face", but she simply says that's how she is.

B-Rank Wars Arc
Yuitsuka is featured as a play-by-play commentator for the upper-group daytime match of Round 7.