"Kanojo wa Uso o Aishisugiteru: Film" is a Japanese live-action adaptation of the popular manga and anime series. The story revolves around Aki Ogasawara, a talented musician who struggles with the complexities of love and deception. He finds himself in a complicated relationship with Riko, a girl who is unaware of his hidden identity as a songwriter. The film explores themes of love, betrayal, and the pursuit of dreams in the music industry. As Aki navigates his feelings for Riko and his secret life, the narrative highlights the emotional turmoil that comes with balancing personal aspirations and romantic relationships.