Exploring the intricate dynamics of eight different couples, "One Night Morning" delves into the complexities of relationships after a shared night. Each couple experiences a unique morning-after scenario, from reunited high school classmates with long-harbored feelings to casual sexual partners. Despite their varied backgrounds and connections, they all share one common thread: a morning meal together. As they sit down to breakfast, the characters navigate the uncertain terrain of their relationships, leaving viewers wondering about the potential outcomes of their intimate encounters. Adapted from Kenichi Okuyama's manga series, this 2022 Japanese romance drama, directed by Kensaku Kakimoto, offers a nuanced exploration of human connections and the morning after.