Working as a librarian, Rino carried out her daily duties while hiding a secret desire she never wanted anyone to discover. She harbored an unusual fetish—intense arousal from the smell of ink. Every night, surrounded by the scent of books and printer ink in the quiet library, she would secretly satisfy this craving alone. Though she knew getting caught would be utterly humiliating, she couldn't stop herself—and eventually, her actions were witnessed by the library director, Saezawa, leading to an inevitable confrontation.