Also, think about dialogue. How does her shyness affect her speech? Maybe stammering, low volume, hesitations. Workload might cause her to multitask in conversations or appear distracted.

I should also consider relationships. A supportive friend/colleague who encourages her. Maybe a coworker who's the opposite—outgoing—which creates contrast and dynamics.

Check for cultural nuances if necessary. The name Hitomi is Japanese, so maybe incorporate elements of Japanese culture, like an appreciation for orderliness in libraries or specific genres she's interested in, like haiku books or traditional stories.

Scenarios or story ideas: She might be approached by a patron needing help, forcing her to push past shyness. Or she could be trying to implement a new organizational system despite her workload. Maybe a subplot where she overcomes her shyness to lead a library project.