The film adaptation of Sugaru Miaki’s Koi Suru Kiseichu, titled Parasite in Love, presents a distinctive combination of psychological drama and romantic elements centered around the idea of mental illness stemming from parasites. Nana Komatsu and Kento Hayashi give noteworthy performances as characters grappling with significant anxieties, enhanced by skillful use of visuals, music, and computer-generated imagery. Wh…