Serious librarian, Komachi, has been hiding the fact that she's an omega in order to live a normal life. However, the moment she sets her eyes on that man at the library, she's assaulted by a strong reaction from her very core. Every one of his gentle touches to help her settle down only makes her more enflamed in passion. No! This isn't her!! Just who is he...? And, when he sees how aroused she is, he also goes into rut!? A heated and pure omegaverse love story brought to you by Minami Shiina!!