College sophomore and part-time grocery cashier Nobuko Tanaka is painfully shy. Now this wallflower's fallen for her handsome coworker, Irie. But she can't get out of her own head! With a tendency to overthink and feel like a burden to others, Nobuko keeps Irie at a distance—until her eccentric coworkers figure out her feelings and nudge her to make a move. Will Nobuko be able to break free from her own thoughts and summon the courage to pursue her very first love?