El Amigo Imaginario (2021)

Juan returns to his parents' house after several years and due to force majeure. He's trying to recover from a recent separation. He decides to take refuge in his family and, above all, in his imaginary childhood friend, who never grew up and has been waiting for him all this time in that house. But Juan soon realizes the danger of this unhealthy friendship, which seems to live on more than just in his mind.