Yuki Itose has been deaf since birth, and even her hearing aid doesn't help her distinguish sounds. She struggles to connect with new people, preferring to spend more time at home or engaging in online conversations. One day, on her way to school, she encounters a young man named Itsuoimi Nagi, who helps her out of an awkward situation on the train. Yuki begins to feel a sense of gratitude and romantic interest towards her savior. However, finding common ground and building a relationship with someone who doesn't speak sign language is not an easy task.