Yeah, so I like the concept. However, some bugs:
Occasionally, my cursor will disappear. While I can still select options when my cursor is gone, if I start a night, the notice meter will fill automatically. A surefire way that I've found to induce this bug is to have Yuna wake up when you're using the fly swatter, click several times in quick succession when the alert bar is nearly full and your cursor will disappear.
Edit: Actually, it seems like the cursor of the fly swatter will get "stuck" even if I don't do anything at all.