You're My Cutie volume 1

Madoka is obsessed with shojo manga—specifically manga that features younger, innocent guys who fall for their Sempai. So she should be thrilled when a gorgeous kohai comes to work at her father's restaurant...except he's rude and standoffish, and wants nothing to do with her. But when she protects him from some extra-pushy fans, he finds that maybe he's found someone letting his walls down for...!