Rémi didn't understand the new rules. He would reach out to grab Léo’s bag, or try to sit close during lunch, only to be met with a cold, "Move over, there’s no room."
Since you asked for a story, here is a narrative inspired by the themes of that film—exploring the intense bond of childhood friendship and the moment it begins to change. The Golden Field
It looks like you might be looking for information on the directed by Lukas Dhont, which was a deeply moving Belgian coming-of-age drama nominated for an Oscar.
They didn't need words. Léo was the fire, always moving, always planning the next fort; Rémi was the music, a gifted oboe player who saw the world in melodies. They slept at each other’s houses so often that their mothers joked they had gained a second son. To them, "privacy" didn't exist. They were two halves of a whole. But then came the first day of secondary school.