Neighbor (2019)

Jake is very obsessed with his neighbor Erica. Peeping at her through a crack of the door is his routine. One day, he finds that Erica forgets to close her window. He slips across the window and gets into Erica's home. He lies on her bed and falls asleep until Erica back home. After Erica finds Jake's watch on her bed, she totally change to another person. Meanwhile, Jake is still under her bed and trying to keep his vibrated phone quiet.