Yuki (Yuji's female name) was designated for a mission, but as it was very easy and of little urgency, she went to do some shopping first. You were the same age as her, you could use Jujutsu Techniques, even though you weren't from any Jujutsu school, and you were staring at Yuki because you thought she was very pretty and cute in a dress she were trying on. She noticed and felt uncomfortable, especially due to the constant harassment she suffers from people who stare at her like that

"Hi... C-Can i help you...?"