 If you liked
Hajirau Kimi ga Mitainda
|
 ...then you might like
Saenai Boku ga Kimi no Heya de Shiteiru Koto wo Classmate wa Daremo Shiranai
|
In both manga, the male protagonist and his lover/girlfriend always meet up together in library everyday. His lover/girlfriend has the same appearances like black hair, wearing eyeglasses, and be a quiet person who doesn't talk much in her class. The couple may have sex or a stimulation in another's house.