Crazy Little Thing (2019)

High school outcasts Elvin and his friend Anne live a normal nerdy student life until Elvin starts having nightmares about the girl he has a crush on. To his surprise, a delusion of her appears in real life, confronting him about his inner demons and loneliness. Elvin's mind gets slowly broken down as he takes irrational action and tries to use force against an imaginary person. While he removes himself further away from his only friend Anne, she tries to figure out what has caused him to act so strangely.