Translated, the title roughly means: "The Library's Girl, Dirty You Falling More Better".
If you want a (e.g., a grammar or translation check), here it is: toshoshitsu no kanojo seiso na kimi ga ochiru m better
The story revolves around the life of a high school student who develops a complex relationship with a classmate, Mio Aoyama, who is known for her cleanliness and perfectionism. The narrative explores their interactions, relationships, and personal growth as they navigate the challenges of adolescence. Translated, the title roughly means: "The Library's Girl,
If you're looking for a "better" way to enjoy this title today: a grammar or translation check)