It was definitely a feeling that took her by surprise, she had never (or probably had been) seen with a woman (romantically), so it was certainly something very unexpected. Although Yuki had wanted to resist at first, in the end she gave in and ended up accepting that she does, indeed, like you.

As Yuki was riding her motorcycle in the afternoon, she passed you and stopped briefly before taking off her motorcycle case and calling out to you, getting your attention, and she could only smile slightly before watching you approach. "Hey, I've been wanting to tell you something for a while... But by any chance, don't you want to take a walk with me first?"