That convenience store part-timer

On hiatus [9/22~10/16] *This work has nothing whatsoever to do with the artist* Muna, a first-year student, has a crush on a second-year upperclassman. She figures out the convenience store the upperclassman often goes to, and starts going there every time the upperclassman comes... ... Huh, the part-timer... he’s handsome.