"Kono Oto Tomare!" is a Japanese manga series written and illustrated by Amyu Watanabe. The story revolves around a high school koto club, which focuses on playing traditional Japanese string instruments. The main character, Chika Kudo, is determined to revive the club after it faces the threat of disbandment due to a lack of members and interest. The series explores themes of friendship, perseverance, and the beauty of music. As the characters work together to improve their skills and bond over their shared passion for the koto, they face various challenges that test their dedication and resolve.