Omoidezaka

A landscape with a nostalgic atmosphere. A woman is always standing on a slope behind the scenery.
... This is the mysterious dream that comes every night. The hero returns to his home town as a practice student and recognized the girl of his dreams in Tamiya Maika. While still wondering about this connection, he gets to know that the teacher was killed in the arts classroom. He sets on the investigation to find out the truth behind the incident.

[From vndbreview]