Eat the Night

Eat the Night is a 2024 French thriller film, directed by Caroline Poggi and Jonathan Vinel. The film centres on the relationship between Apolline and Pablo, a brother and sister in Le Havre who are passionate fans of an online video game called Darknoon; when the game developers announce that it will be shutting down at Christmastime, Apolline remains obsessed with the game while Pablo moves on and enters a romantic relationship with Night, with whom he becomes embroiled in a dangerous conflict between rival drug dealer gangs.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.