about a girl who moved to a village for some reason and met and fell for a mysterious librarian who changed his personality during day and night

[Faiz]

I dont know whether it was a young adult romance or adult romance, but it was set in a village. The girl seek for an escape and lived in her grandmother house. Firstly she likes her neighboor but she actually fell for a mysterious librarian who has more than one personality in day and night. I cant remember the title or the author of the book. Please help me!!! I want to read that book again :'(

[Lobstergirl, au gratin]

When did you read it?

[Lobstergirl, au gratin]

Faiz, are you still looking for this or did you find it?