In the film, the themes of identity, love, and memory weights are examined. The film is based on a novel, and Ryosuke Yamada and Kyoko Yoshine's performances give it charm and emotional depth. The tone of the movie alternates between romantic drama and mystery thriller at certain points, with a particularly strong scene emphasizing the unadulterated emotional intensity. The film's profound inquiry and idealistic storytelling make an impression, even with its uneven parts.