@Xitel: Well, when you said "It feels more like she isn't actually thinking of Tsubasa as a romantic interest...", I just assumed you were saying that she doesn't have romantic feelings for him, lol. This is getting a bit confusing, so I'm just going to summarize by offering that Fuyuki is becoming aware of her feelings for Tsubasa, that are growing onto a romantic level; on one hand, she doesn't want to monopolize him, but she's also more than just casually curious about how he's spending his time when she's not with him. She might not be jealous of his interactions with other girls yet, and may actually welcome their company, but it's sure to come about, especially if the others prove to be rivals of love, when she fully understands how she feels about him. I really do like though that Fuyuki isn't the typical, ridiculously possessive main heroine who barely maintains a veneer of tolerance for those who vie for the attention of the person she's interested in; that trope is all too common in harem stories.