For context, Yuni has a very particular type of girl that she aggressively pursues. We see her go after Sasaki Ran the most, since they're at the same Garden.

People occasionally ask Fumi's Twitter Q&A account which girls Yuni would fancy at other Gardens, and she answers with confidence.

But when you think about it, that confidence is pretty strange when Fumi probably doesn't even know Yuni in person...