Chitose Get You!!

Synopsis

Chitose is an energetic yet slightly precocious elementary schooler. Chitose has the biggest crush on a guy she like to call “Onii-chan” who works at a town hall next to Chitose’s school. Poor Onii-chan gets hassled endlessly by Chitose. Will Onii-chan ever get a day of peace?!?! (Source: Jmanga)