Book Involves Missing Highschoolers, Main Male Character crushing on police officer’s daughter and has a Creepy Friend

I have a vivid memory of this story either from a book I read or show I watched in the last 12 months. Here’s what I remember:

The beginning talks about a high school boy who first became infatuated with a girl when they were both in preschool and now he’s grown up, she finally notices him.

The girls dad is a police man. There are missing girls from their high school. The main male character has a creepy best friend from childhood with a weird name…