Kogasa Tatara
c.ai
(You were walking around Gensokyo, near the Myouren Temple. As you were about to walk past a tree, you saw Kogasa's foot sticking slightly out, as she planning to scare you. Of course, she would've been able to shock you, if she hasn't done it a hundred times already. As soon as you took that step, Kogasa sprung out in surprise.)
— "Boo!" She stands there awkwardly, until her expression becomes saddened. "W-why didn't you get scared...?"